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Original Article
Minimally invasive surgery
Minimally invasive transanal excision for rectal tumors: technical feasibility compared to conventional approach
Ji Yeon Mun, Gyu Sung Geong, Nina Yoo, Hyung Jin Kim, Hyeon-Min Cho, Bong-Hyeon Kye
Ann Coloproctol. 2025;41(2):162-168.   Published online April 29, 2025
DOI: https://doi.org/10.3393/ac.2024.00864.0123
  • 5,206 View
  • 131 Download
  • 1 Web of Science
  • 1 Citations
Graphical AbstractGraphical Abstract AbstractAbstract PDFSupplementary Material
Purpose
The technique for transanal resection of rectal tumors has evolved from conventional methods to minimally invasive approaches. However, the research comparing long-term results between these approaches is limited.
Methods
Between 2016 and 2022, a total of 133 patients who underwent transanal excision were analyzed. Patients were classified into 2 groups according to surgical approach: conventional transanal approach (CTA) and minimally invasive transanal approach (MTA). Medical records were analyzed to compare surgical and oncological outcomes between the 2 groups.
Results
There were no significant differences observed in patient’s demographics and tumor characteristics, except the MTA group exhibited a statistically longer distance from the anal verge. Although statistical significance was not reached, the MTA group demonstrated a 100% margin-negative rate in contrast to the CTA group, which had worse outcomes for both margin status and fragmentation. Recurrence was observed only in the CTA group containing pT1 rectal cancer and grade 1 neuroendocrine tumor, with negative margins and no fragmentation.
Conclusion
The minimally invasive approach did not demonstrate statistical superiority but showed technical feasibility through the absence of margin-positive cases and the use of the clip handle method. Further studies are needed to validate these findings and assess broader applicability.

Citations

Citations to this article as recorded by  
  • Minimally invasive transanal excision over conventional transanal excision: pursuing the perfect removal of early rectal cancer
    HyungJoo Baik
    Annals of Coloproctology.2025; 41(2): 105.     CrossRef
Guideline
ERAS
The 2024 Korean Enhanced Recovery After Surgery (ERAS) guidelines for colorectal cancer: a secondary publication
Kil-yong Lee, Soo Young Lee, Miyoung Choi, Moonjin Kim, Ji Hong Kim, Ju Myung Song, Seung Yoon Yang, In Jun Yang, Moon Suk Choi, Seung Rim Han, Eon Chul Han, Sang Hyun Hong, Do Joong Park, Sang-Jae Park, the Korean Enhanced Recovery After Surgery (ERAS) Committee within the Korean Society of Surgical Metabolism and Nutrition
Ann Coloproctol. 2025;41(1):3-26.   Published online February 20, 2025
DOI: https://doi.org/10.3393/ac.2024.00836.0119
  • 19,371 View
  • 366 Download
  • 2 Web of Science
  • 3 Citations
AbstractAbstract PDFSupplementary Material
The Korean Enhanced Recovery After Surgery (ERAS) Committee within the Korean Society of Surgical Metabolism and Nutrition was established to develop ERAS guidelines tailored to the Korean context. This guideline focuses on creating the most current evidence-based practice guidelines for ERAS purposes, based on systematic reviews. All key questions targeted randomized controlled trials exclusively, and if fewer than 2 were available, studies employing propensity score matching were also included. Recommendations for each key question were marked with strength of recommendation and level of evidence following internal and external review processes by the committee.

Citations

Citations to this article as recorded by  
  • Quadratus Lumborum Block Versus Transversus Abdominis Plane Block in Laparoscopic Colorectal Surgery: A Systematic Review and Meta-Analysis
    Abdullah M. Alharran, Waleed Bader Alazemi, Saad A. Alajmi, Yousiff A. Bahman, Osamah Alhajri, Ali A. Alenezi, Jarrah J. Alenezi, Duaij Salman Saif
    Medicina.2026; 62(1): 92.     CrossRef
  • Efficacy of preoperative immunonutrition in malnourished patients undergoing colorectal cancer surgery: a study protocol for a multicenter randomized clinical trial
    Soo Young Lee, Chang Hyun Kim, Gi Won Ha, Soo Yeun Park, In Jun Yang, Jin Soo Kim, Gyung Mo Son, Sung Il Kang, Sung Uk Bae
    Trials.2025;[Epub]     CrossRef
  • Oral antibiotics alone for bowel preparation in colorectal surgery: time to rethink tradition?
    Soo Young Lee
    Annals of Coloproctology.2025; 41(5): 367.     CrossRef
Review
Colorectal cancer
The role of lateral pelvic lymph node dissection in advanced rectal cancer: a review of current evidence and outcomes
Gyu-Seog Choi, Hye Jin Kim
Ann Coloproctol. 2024;40(4):363-374.   Published online August 30, 2024
DOI: https://doi.org/10.3393/ac.2024.00521.0074
  • 17,085 View
  • 756 Download
  • 10 Web of Science
  • 12 Citations
AbstractAbstract PDF
Metastatic lateral pelvic lymph nodes (LPNs) in rectal cancer significantly impact the prognosis and treatment strategies. Western practices emphasize neoadjuvant chemoradiotherapy (CRT), whereas Eastern approaches often rely on LPN dissection (LPND). This review examines the evolving role of LPND in the context of modern treatments, including total neoadjuvant therapy (TNT), and the impact of CRT on the management of clinically suspicious LPNs. We comprehensively reviewed the key literature comparing the outcomes of LPND versus preoperative CRT for rectal cancer, focusing on recent advancements and ongoing debates. Key studies, including the JCOG0212 trial and recent multicenter trials, were analyzed to assess the efficacy of LPND, particularly in conjunction with preoperative CRT or TNT. Current evidence indicates that LPND can reduce local recurrence rates compared to total mesorectal excision alone in patients not receiving radiation therapy. However, the benefit of LPND in the context of neoadjuvant CRT is influenced by the size and pretreatment characteristics of LPNs. While CRT can effectively control smaller metastatic LPNs, larger or clinically suspicious LPNs may require LPND for optimal outcomes. Advances in surgical techniques, such as robotic-assisted LPND, offer potential benefits but also present challenges and complications. The role of TNT in controlling metastatic LPNs and improving patient outcomes is emerging but remains underexplored. The decision to perform LPND should be individualized based on patient-specific factors, including LPN size, response to neoadjuvant treatment, and surgeon expertise. Future research should focus on optimizing treatment protocols and further evaluating the role of TNT in managing metastatic LPNs.

Citations

Citations to this article as recorded by  
  • Who is a candidate at the initial presentation? Prediction of positive lateral lymph node and survival after dissection
    Y. Lee
    Techniques in Coloproctology.2025;[Epub]     CrossRef
  • The oncologic benefits of lateral lymph node dissection after neoadjuvant therapy – local control or survival?
    T. Sammour
    Techniques in Coloproctology.2025;[Epub]     CrossRef
  • Laparoscopic Versus Robotic Lateral Pelvic Lymph Node Dissection in Locally‐Advanced Rectal Cancer: A Cohort Study Comparing Perioperative Morbidity and Short‐Term Oncological Outcomes
    Joseph Mathew, Yogesh Kisan Bansod, Nishant Yadav, Janesh Murugan, Kovvuru Bhaskar Reddy, Mufaddal Kazi, Ashwin DeSouza, Avanish Saklani
    Cancer Reports.2025;[Epub]     CrossRef
  • Robotic-assisted colorectal surgery in colorectal cancer management: a narrative review of clinical efficacy and multidisciplinary integration
    Engeng Chen, Li Chen, Wei Zhang
    Frontiers in Oncology.2025;[Epub]     CrossRef
  • Cirugía por cáncer de recto más allá del mesorrecto: indicaciones, preparación límites y resultados
    Blas Flor-Lorente, Mario Javier de Miguel Valencia
    Cirugía Española.2025; 103(9): 800202.     CrossRef
  • Surgery for rectal cancer beyond the mesorectum: Indications, preparation, limits, and results
    Blas Flor-Lorente, Mario J. de Miguel-Valencia
    Cirugía Española (English Edition).2025; 103(9): 800202.     CrossRef
  • Cancer-associated fibroblasts enhance colorectal cancer lymphatic metastasis via CLEC11A/LGR5-mediated WNT pathway activation
    Chuhan Zhang, Teng Pan, Yuyuan Zhang, Yushuai Wu, Anning Zuo, Shutong Liu, Yuhao Ba, Benyu Liu, Shuaixi Yang, Yukang Chen, Hui Xu, Peng Luo, Quan Cheng, Siyuan Weng, Long Liu, Xing Zhou, Jingyuan Ning, Xinwei Han, Jinhai Deng, Zaoqu Liu
    Journal of Clinical Investigation.2025;[Epub]     CrossRef
  • Robotic lateral pelvic lymphadenectomy for rectal cancer—A video vignette
    D. Castrodá, M. Paniagua, L. Pérez Corbal, L. Otalora, R. Oubiña, A. Parajó
    Colorectal Disease.2025;[Epub]     CrossRef
  • Learning curve for lateral lymph node dissection in rectal cancer – a systematic review of literature
    D. Kehagias, L. Baldari, E. Cassinotti, L. Boni, C. Lampropoulos, I. Kehagias
    Techniques in Coloproctology.2025;[Epub]     CrossRef
  • Pelvic Neuroanatomy in Colorectal Surgery: Advances in Nerve Preservation for Optimized Functional Outcomes
    Asim M. Almughamsi, Yasir Hassan Elhassan
    Surgeries.2025; 6(4): 94.     CrossRef
  • Targeting lateral pelvic lymph nodes in rectal cancer: response to neoadjuvant therapy and artificial intelligence driven clinical decision support
    Ruiqing Liu, Yun Lu, Luca Stocchi
    Intelligent Medicine.2025;[Epub]     CrossRef
  • From the Editor: Uniting expertise, a new era of global collaboration in coloproctology
    In Ja Park
    Annals of Coloproctology.2024; 40(4): 285.     CrossRef
Original Articles
Colorectal cancer
Public effect of the 2022 Colorectal Cancer Awareness Campaign delivered through a metaverse platform
Tae-Gyun Lee, Gil-Hyeon Song, Hong-min Ahn, Heung-Kwon Oh, Moonkyoung Byun, Eon Chul Han, Sohyun Kim, Chang Woo Kim, Hye Jin Kim, Samin Hong, Kee-Ho Song, Chan Wook Kim, Yong Beom Cho, on behalf of the Public Relations Committee of the Korean Society of Coloproctology (KSCP)
Ann Coloproctol. 2024;40(2):145-153.   Published online April 28, 2023
DOI: https://doi.org/10.3393/ac.2023.00122.0017
  • 13,515 View
  • 173 Download
  • 4 Web of Science
  • 6 Citations
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Purpose
The Korean Society of Coloproctology has been conducting Colorectal Cancer Awareness Campaign, also known as the Gold Ribbon Campaign, every September since 2007. The 2022 campaign was held through a metaverse platform targeting the younger age group under the slogan of raising awareness of early-onset colorectal cancer (CRC). This study aimed to analyze the impact of the 2022 campaign on a metaverse platform.
Methods
Anonymized survey data were collected from participants in the metaverse campaign from September 1 to 15, 2022. The satisfaction score of the participants was evaluated by sex, age group, and previous campaign participation status.
Results
During the campaign, 2,770 people visited the metaverse. Among them, 455 people participated in the survey (response rate, 16.4%). Approximately 95% of the participants reported being satisfied with the information provided by the campaign, understood the necessity of undergoing screening for and prevention of early-onset CRC, and were familiar with the structure of the metaverse. The satisfaction score for campaign information tended to decrease as the participants’ age increased. When the participants’ overall level of satisfaction with the metaverse platform was assessed, teenagers scored particularly lower than the other age groups. The satisfaction scores for CRC information provided in the metaverse, as well as the scores for recognizing the seriousness and necessity of screening for early-onset CRC, indicated a high positive tendency (P<0.001).
Conclusion
Most of the 2022 Gold Ribbon Campaign participants were satisfied with the metaverse platform. Medical society should pay attention to increasing participation in and satisfaction with future public campaigns.

Citations

Citations to this article as recorded by  
  • Metaverse in surgery — origins and future potential
    Enrico Checcucci, Alessandro Veccia, Stefano Puliatti, Pieter De Backer, Pietro Piazza, Karl-Friedrich Kowalewski, Severin Rodler, Mark Taratkin, Ines Rivero Belenchon, Loic Baekelandt, Sabrina De Cillis, Alberto Piana, Ahmed Eissa, Juan Gomez Rivas, Giov
    Nature Reviews Urology.2026; 23(1): 50.     CrossRef
  • Meeting report on the 8th Asian Science Editors’ Conference and Workshop 2024
    Eun Jung Park
    Science Editing.2025; 12(1): 66.     CrossRef
  • Toward Diagnosis of Diseases Using Emerging Technologies: A Comprehensive Survey of the State of the Art in Metaverse
    Nasim Aslani, Ali Garavand, Riccardo Ortale
    International Journal of Intelligent Systems.2025;[Epub]     CrossRef
  • Global perspectives on young-onset colorectal cancer: epidemiology, challenges, and advances
    Drew Goldberg, Erica Pettke
    Seminars in Colon and Rectal Surgery.2025; 36(3): 101118.     CrossRef
  • #CRCandMe: results of a pre-post quasi-experimental study of a mass media campaign to increase early-onset colorectal cancer awareness in Utah and Wisconsin
    Ami E Sedani
    American Journal of Cancer Research.2024; 14(8): 3873.     CrossRef
  • Metaverso: perspectivas, possibilidades e limitações
    Walter Rodrigues Marques, Maria Neuraildes Gomes Viana, Anderson Boás Viana, Luís Claúdio Azevedo Gomes, Francilene Silva Cruz, Bruna Monique Cunha Rodrigues, Andréa Luísa Frazão Silva, Regeanne Santos Guaianaz, Daiane Leite Chaves Bezerra, Diêgo Jorge Lo
    Caderno Pedagógico.2024; 21(13): e12984.     CrossRef
Colorectal cancer
Partial mesorectal excision can be a primary option for middle rectal cancer: a propensity score–matched retrospective analysis
Ee Jin Kim, Chan Wook Kim, Jong Lyul Lee, Yong Sik Yoon, In Ja Park, Seok-Byung Lim, Chang Sik Yu, Jin Cheon Kim
Ann Coloproctol. 2024;40(3):253-267.   Published online March 31, 2023
DOI: https://doi.org/10.3393/ac.2022.00689.0098
  • 5,908 View
  • 221 Download
  • 1 Web of Science
  • 2 Citations
AbstractAbstract PDF
Purpose
Although partial mesorectal excision (PME) and total mesorectal excision (TME) is primarily indicated for the upper and lower rectal cancer, respectively, few studies have evaluated whether PME or TME is more optimal for middle rectal cancer.
Methods
This study included 671 patients with middle and upper rectal cancer who underwent robot-assisted PME or TME. The 2 groups were optimized by propensity score matching of sex, age, clinical stage, tumor location, and neoadjuvant treatment.
Results
Complete mesorectal excision was achieved in 617 of 671 patients (92.0%), without showing a difference between the PME and TME groups. Local recurrence rate (5.3% vs. 4.3%, P>0.999) and systemic recurrence rate (8.5% vs. 16.0%, P=0.181) also did not differ between the 2 groups, in patients with middle and upper rectal cancer. The 5-year disease-free survival (81.4% vs. 74.0%, P=0.537) and overall survival (88.0% vs. 81.1%, P=0.847) also did not differ between the PME and TME groups, confined to middle rectal cancer. Moreover, 5-year recurrence and survival rates were not affected by distal resection margins of 2 cm (P=0.112) to 4 cm (P>0.999), regardless of pathological stages. Postoperative complication rate was higher in the TME than in the PME group (21.4% vs. 14.5%, P=0.027). Incontinence was independently associated with TME (odds ratio [OR], 2.009; 95% confidence interval, 1.015–3.975; P=0.045), along with older age (OR, 4.366, P<0.001) and prolonged operation time (OR, 2.196; P=0.500).
Conclusion
PME can be primarily recommended for patients with middle rectal cancer with lower margin of >5 cm from the anal verge.

Citations

Citations to this article as recorded by  
  • Review of definition and treatment of upper rectal cancer
    Elias Karam, Fabien Fredon, Yassine Eid, Olivier Muller, Marie Besson, Nicolas Michot, Urs Giger-Pabst, Arnaud Alves, Mehdi Ouaissi
    Surgical Oncology.2024; 57: 102145.     CrossRef
  • Tumour-specific mesorectal excision for rectal cancer: Systematic review and meta-analysis of oncological and functional outcomes
    Fabio Carbone, Wanda Petz, Simona Borin, Emilio Bertani, Stefano de Pascale, Maria Giulia Zampino, Uberto Fumagalli Romario
    European Journal of Surgical Oncology.2023; 49(11): 107069.     CrossRef
The pattern of bowel dysfunction in patients with rectal cancer following the multimodal treatment: anorectal manometric measurements at before and after chemoradiation therapy, and postoperative 1 year
Ri Na Yoo, Bong-Hyeon Kye, HyungJin Kim, Gun Kim, Hyeon-Min Cho
Ann Coloproctol. 2023;39(1):32-40.   Published online March 11, 2022
DOI: https://doi.org/10.3393/ac.2021.00696.0099
  • 5,507 View
  • 164 Download
  • 3 Web of Science
  • 2 Citations
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Purpose
Bowel dysfunction commonly occurs in patients with locally advanced rectal cancer treated with a multimodal approach of chemoradiation therapy (CRT) combined with sphincter-preserving rectal resection. This study investigated the decline in anorectal function using sequential anorectal manometric measurements obtained before and after the multimodal treatment as well as at a 1-year follow-up.
Methods
This was a retrospective cohort study conducted in a single center. The study population consisted of patients with locally advanced mid- to low rectal cancer who received the preoperative CRT followed by sphincter-preserving surgery from 2012 to 2016. The anorectal manometric value measured after each treatment modality was compared to demonstrate the degree of decline in anorectal function. A generalized linear model of repeated measures was performed using the manometric values measured pre- and post-CRT, and at 12 months postoperatively.
Results
Overall, 100 patients with 3 consecutive manometric data were included in the final analysis. In the overall cohort study, the mean resting and maximal squeezing pressures showed insignificant decrement post-neoadjuvant CRT. At a 1-year postoperative follow-up, the maximal squeezing pressure significantly decreased. The maximal rectal sensory threshold demonstrated significant reduction consecutively after each following treatment (P<0.001).
Conclusion
The short-term effect of neoadjuvant CRT on the anal sphincters was relatively trivial. The following sphincter-saving surgery resulted in a profound disruption of the anorectal function. Patients with rectal cancer should be consulted on the consequence of multimodal treatment.

Citations

Citations to this article as recorded by  
  • Beyond survival: a comprehensive review of quality of life in rectal cancer patients
    Won Beom Jung
    Annals of Coloproctology.2024; 40(6): 527.     CrossRef
  • Unveiling the profound advantages of total neoadjuvant therapy in rectal cancer: a trailblazing exploration
    Kyung Uk Jung, Hyung Ook Kim, Hungdai Kim, Donghyoun Lee, Chinock Cheong
    Annals of Surgical Treatment and Research.2023; 105(6): 341.     CrossRef
Review
Malignant disease,Prognosis and adjuvant therapy,Colorectal cancer,Surgical technique
Treatment for Peritoneal Metastasis of Patients With Colorectal Cancer
Young Jin Kim, Chang Hyun Kim
Ann Coloproctol. 2021;37(6):425-433.   Published online December 22, 2021
DOI: https://doi.org/10.3393/ac.2021.00920.0131
  • 16,994 View
  • 231 Download
  • 29 Web of Science
  • 31 Citations
AbstractAbstract PDF
From the perspective of survival outcomes, the cancer survival of colorectal cancer (CRC) in the whole stage has improved. Peritoneal metastasis (PM) is found in approximately 8% to 15% of patients with CRC, with a poorer prognosis than that associated with other sites of metastases. Randomized controlled trials and up-to-date meta-analyses provide firm evidence that cytoreductive surgery (CRS) plus hyperthermic intraperitoneal chemotherapy (HIPEC) could significantly improve overall survival compared with systemic chemotherapy alone in selected patients with CRC-PM. Practical guidelines recommend that the management of CRC-PM should be led by a multidisciplinary team carried out in experienced centers and consider CRS plus HIPEC for selected patients. In this review, we aim to provide the latest results of land mark studies and an overview of recent insights with regard to the management of CRC-PM.

Citations

Citations to this article as recorded by  
  • Prognostic Factors and Long-term Outcomes in Patients With Colorectal Peritoneal Metastases Treated With Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy: A Retrospective Cohort Study From a Tertiary Care Center in India
    Manisha Aggarwal, Abhishek Aggarwal, Shaifali Goel, Sumit Goyal, Prerna Garg, Gurudutt Gupta, Shivendra Singh
    Diseases of the Colon & Rectum.2026; 69(1): 42.     CrossRef
  • Molecular characterization of Pseudomyxoma peritonei with single-cell and bulk RNA sequencing
    Ye Jin Ha, Seong-Hwan Park, Seon-Kyu Kim, Ka Hee Tak, Jeong-Hwan Kim, Chan Wook Kim, Yong Sik Yoon, Seon-Young Kim, Jong Lyul Lee
    Scientific Data.2025;[Epub]     CrossRef
  • Discovery of WEE1 Kinase Inhibitors with Potent Activity against Patient-Derived, Metastatic Colorectal Cancer Organoids
    Joel L. Syphers, Josephine A. Wright, Shen Liu, Yi Sing Gee, Fan Gao, Ramesh Mudududdla, Da Qing Che, Aeson Chang, Erica K. Sloan, Vignesh Narasimhan, Alexander Heriot, Robert G. Ramsay, Rebekah de Nys, Tharindie N. Silva, Laura Vrbanac, Tarik Sammour, Ma
    Journal of Medicinal Chemistry.2025; 68(8): 8065.     CrossRef
  • A Feasibility Study of Mass-Based Response Drug Screening to Guide Personalized Hyperthermic Intraperitoneal Chemotherapy for Appendiceal and Colorectal Adenocarcinoma with Peritoneal Metastasis
    Justin M. Bader, Ava Ospina, Sean Liu, Biren Reddy, Princy Gupta, Ricarda Tomlin, Michael Cecchini, Raghav Sundar, Kiran Turaga
    Annals of Surgical Oncology.2025; 32(8): 5784.     CrossRef
  • Was there any change in surgical treatment for colorectal cancer during the COVID-19 pandemic?
    Yeajin Moon, Seung Hun Lee, Seung Hyun Lee
    Kosin Medical Journal.2025; 40(3): 207.     CrossRef
  • Oncologic outcomes of multivisceral resection for locally advanced colorectal cancer: a single-center retrospective cohort study
    Jaram Lee, Hyeung-min Park, Soo Young Lee, Chang Hyun Kim, Hyeong Rok Kim
    BMC Surgery.2025;[Epub]     CrossRef
  • Cytoreductive surgery plus hyperthermic intraperitoneal chemotherapy versus R0 resection for resectable colorectal cancer with peritoneal metastases and low peritoneal cancer index scores: a collaborative observational study from Korea and Japan
    Daichi Kitaguchi, Eun Jung Park, Seung Hyuk Baik, Shoma Sasaki, Yuichiro Tsukada, Masaaki Ito
    International Journal of Surgery.2024; 110(1): 45.     CrossRef
  • CILP2 is a potential biomarker for the prediction and therapeutic target of peritoneal metastases in colorectal cancer
    Ye Jin Ha, Seong-Hwan Park, Ka Hee Tak, Jong Lyul Lee, Chan Wook Kim, Jeong-Hwan Kim, Seon-Young Kim, Seon-Kyu Kim, Yong Sik Yoon
    Scientific Reports.2024;[Epub]     CrossRef
  • Comparison of EPIC Versus HIPEC in the Treatment of Colorectal Peritoneal Metastases and Appendix Tumors Using Inverse Probability of Treatment Weighting
    Min Hye Jeong, Su Jin Kang, Soo Yeun Park, Sang Gyu Kwak, An Na Seo, Suehyun Park, Jun Seok Park, Hye Jin Kim, Gyu-Seog Choi
    Annals of Surgical Oncology.2024; 31(10): 7111.     CrossRef
  • Albumin Leakage Level during Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy Is Associated with Major Complications
    Hyun-Chang Kim, Dong Woo Han, Eun Jung Park, Yeon Hwa Hong, Young Song
    Cancers.2024; 16(16): 2874.     CrossRef
  • Inflammatory and nutritional markers in colorectal cancer: Implications for prognosis and treatment
    Mesut Tez
    World Journal of Clinical Oncology.2024; 15(10): 1264.     CrossRef
  • Analgesic effects of combined transversus abdominis plane block and intramuscular electrical stimulation in patients undergoing cytoreductive surgery followed by hyperthermic intraperitoneal chemotherapy: a randomized controlled trial
    Hyun-Chang Kim, Jinyoung Park, Jinyoung Oh, Minjae Kim, Eun Jung Park, Seung Hyuk Baik, Young Song
    International Journal of Surgery.2023; 109(5): 1199.     CrossRef
  • Do Laparoscopic Approaches Ensure Oncological Safety and Prognosis for Serosa-Exposed Colon Cancer? A Comparative Study against the Open Approach
    Ji-Hyun Seo, In-Ja Park
    Cancers.2023; 15(21): 5211.     CrossRef
  • Fluorescence-guided colorectal surgery: applications, clinical results, and protocols
    Jin-Min Jung, In Ja Park, Eun Jung Park, Gyung Mo Son
    Annals of Surgical Treatment and Research.2023; 105(5): 252.     CrossRef
  • Improving nanochemoimmunotherapy efficacy by boosting “eat-me” signaling and downregulating “don't-eat-me” signaling with Ganoderma lucidum polysaccharide-based drug delivery
    Guibin Pang, Siqi Wei, Jian Zhao, Fu-Jun Wang
    Journal of Materials Chemistry B.2023; 11(48): 11562.     CrossRef
  • Effect of Intraperitoneal Chemotherapy with Regorafenib on IL-6 and TNF-α Levels and Peritoneal Cytology: Experimental Study in Rats with Colorectal Peritoneal Carcinomatosis
    Stefanos Bitsianis, Ioannis Mantzoros, Elissavet Anestiadou, Panagiotis Christidis, Christos Chatzakis, Konstantinos Zapsalis, Savvas Symeonidis, Georgios Ntampakis, Kalliopi Domvri, Anastasia Tsakona, Chryssa Bekiari, Orestis Ioannidis, Stamatios Aggelop
    Journal of Clinical Medicine.2023; 12(23): 7267.     CrossRef
  • Recurrence Patterns and Risk Factors after Curative Resection for Colorectal Cancer: Insights for Postoperative Surveillance Strategies
    Hyo Seon Ryu, Jin Kim, Ye Ryung Park, Eun Hae Cho, Jeong Min Choo, Ji-Seon Kim, Se-Jin Baek, Jung-Myun Kwak
    Cancers.2023; 15(24): 5791.     CrossRef
  • Advances in the Treatment of Colorectal Cancer with Peritoneal Metastases: A Focus on Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy
    Youngbae Jeon, Eun Jung Park
    The Ewha Medical Journal.2023;[Epub]     CrossRef
  • Influence of the COVID-19 Pandemic on the Treatment Patterns and Outcomes of Colorectal Cancer
    In Ja Park
    The Ewha Medical Journal.2023;[Epub]     CrossRef
  • The Onset of In-Vivo Dehydration in Gas -Based Intraperitoneal Hyperthermia and Its Cytotoxic Effects on Colon Cancer Cells
    Agata Diakun, Tanja Khosrawipour, Agata Mikolajczyk-Martinez, Jakub Nicpoń, Zdzisław Kiełbowicz, Przemysław Prządka, Bartłomiej Liszka, Wojciech Kielan, Kacper Zielinski, Pawel Migdal, Hien Lau, Shiri Li, Veria Khosrawipour
    Frontiers in Oncology.2022;[Epub]     CrossRef
  • Patients with Metachronous Peritoneal Metastatic Mucinous Colorectal Adenocarcinoma Benefit More from Cytoreductive Surgery (CRS) and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) than Their Synchronous Counterparts
    Zoltan Herold, Miklos Acs, Attila Marcell Szasz, Katalin Olasz, Jana Hussong, Max Mayr, Magdolna Dank, Pompiliu Piso
    Cancers.2022; 14(16): 3978.     CrossRef
  • ASO Author Reflections: Is it Correct to Use 5% Dextrose Solution as a Carrier Fluid for Oxaliplatin-based HIPEC?
    Eun Jung Park, Sung-Joo Hwang, Seung Hyuk Baik
    Annals of Surgical Oncology.2022; 29(13): 8593.     CrossRef
  • Pharmacologic Effects of Oxaliplatin Instability in Chloride-Containing Carrier Fluids on the Hyperthermic Intraperitoneal Chemotherapy to Treat Colorectal Cancer In Vitro and In Vivo
    Eun Jung Park, Junhyun Ahn, Sharif Md Abuzar, Kyung Su Park, Sung-Joo Hwang, Seung Hyuk Baik
    Annals of Surgical Oncology.2022; 29(13): 8583.     CrossRef
  • Benign multicystic mesothelioma of appendiceal origin treated by hyperthermic intraperitoneal chemotherapy: A case report
    Suk Jun Lee, Ji Hae Nahm, Jeonghyun Kang, Seung Hyuk Baik, Eun Jung Park
    International Journal of Surgery Case Reports.2022; 99: 107665.     CrossRef
  • Molecular analyses of peritoneal metastasis from colorectal cancer
    Chang Hyun Kim
    Journal of the Korean Medical Association.2022; 65(9): 586.     CrossRef
  • Surgical treatment for metastatic colorectal cancer
    Eun Jung Park, Seung Hyuk Baik
    Journal of the Korean Medical Association.2022; 65(9): 568.     CrossRef
  • Direction of diagnosis and treatment improvement in colorectal cancer
    In Ja Park
    Journal of the Korean Medical Association.2022; 65(9): 540.     CrossRef
  • Recent Advance in the Surgical Treatment of Metastatic Colorectal Cancer-An English Version
    Eun Jung Park, Seung Hyuk Baik
    Journal of the Anus, Rectum and Colon.2022; 6(4): 213.     CrossRef
  • Molecular Analyses in Peritoneal Metastasis from Colorectal Cancer: A Review-An English Version
    Chang Hyun Kim
    Journal of the Anus, Rectum and Colon.2022; 6(4): 197.     CrossRef
  • Update on Diagnosis and Treatment of Colorectal Cancer
    Chan Wook Kim
    The Ewha Medical Journal.2022;[Epub]     CrossRef
  • It Is a Pleasure to Announce the Issue Titled “Master Class 2021” in Annals of Coloproctology
    In Ja Park
    Annals of Coloproctology.2021; 37(6): 349.     CrossRef
Original Article
Malignant disease,Prognosis and adjuvant therapy,Colorectal cancer,Epidemiology & etiology
Characteristics and outcomes of colorectal cancer surgery by age in a tertiary center in Korea: a retrospective review
Tae-Hoon Lee, Jeong Min Choo, Jeong Sub Kim, Seon Hui Shin, Ji-Seon Kim, Se-Jin Baek, Jung-Myun Kwak, Jin Kim, Seon-Hahn Kim
Ann Coloproctol. 2022;38(3):244-252.   Published online November 4, 2021
DOI: https://doi.org/10.3393/ac.2021.00619.0088
  • 7,014 View
  • 167 Download
  • 12 Web of Science
  • 15 Citations
Graphical AbstractGraphical Abstract AbstractAbstract PDF
Purpose
Colorectal cancer (CRC) occurs in all age groups, and the application of treatment may vary according to age. The study was designed to identify the characteristics of CRC by age.
Methods
A total of 4,326 patients undergoing primary resection for CRC from September 2006 to July 2019 were reviewed. Patient and tumor characteristics, operative and postoperative data, and oncologic outcome were compared
Results
Patients aged 60 to 69 years comprised the largest age group (29.7%), followed by those aged 50 to 59 and 70 to 79 (24.5% and 23.9%, respectively). Rectal cancer was common in all age groups, but right-sided colon cancer tended to be more frequent in older patients. In very elderly patients, there were significant numbers of emergency surgeries, and the frequencies of open surgery and permanent stoma were greater. In contrast, total abdominal colectomy or total proctocolectomy was performed frequently in patients in their teens and twenties. The elderly patients showed more advanced tumor stages and postoperative ileus. The incidence of adjuvant treatment was low in elderly patients, who also had shorter follow-up periods. Overall survival was reduced in older patients with stages 0 to 3 CRC (P<0.001), but disease-free survival did not differ by age (P=0.391).
Conclusion
CRC screening at an earlier age than is currently undertaken may be necessary in Korea. In addition, improved surgical and oncological outcomes can be achieved through active treatment of the growing number of elderly CRC patients.

Citations

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    Hayoung Lee, Jong Lyul Lee, Ji Sung Lee, Chan Wook Kim, Yong Sik Yoon, In Ja Park, Seok‐Byung Lim
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    Cancers.2024; 16(20): 3496.     CrossRef
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    Kyung Uk Jung, Hyung Ook Kim, Hungdai Kim, Donghyoun Lee, Chinock Cheong
    Annals of Surgical Treatment and Research.2023; 105(6): 341.     CrossRef
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    Min Ki Kim
    The Ewha Medical Journal.2023;[Epub]     CrossRef
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    Gyoung Tae Noh
    The Ewha Medical Journal.2023;[Epub]     CrossRef
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    In Ja Park
    The Ewha Medical Journal.2023;[Epub]     CrossRef
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    Gyung Mo Son
    Journal of Minimally Invasive Surgery.2022; 25(2): 49.     CrossRef
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    Eun Jung Park
    Annals of Coloproctology.2022; 38(3): 181.     CrossRef
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    Eun Jung Park, Seung Hyuk Baik
    Journal of the Korean Medical Association.2022; 65(9): 568.     CrossRef
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    Eun Jung Park, Seung Hyuk Baik
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Case Report
Metachronous carcinoma at the colostomy site after abdominoperineal resection of rectal cancer: a case report
Young Sun Choi, Kil-young Lee, Youn Young Park, Hyung Jin Kim, Jaeim Lee
Ann Coloproctol. 2023;39(2):175-177.   Published online July 27, 2021
DOI: https://doi.org/10.3393/ac.2020.00185.0026
  • 5,529 View
  • 174 Download
  • 3 Web of Science
  • 6 Citations
AbstractAbstract PDF
Metachronous carcinoma at the colostomy site is very rare after abdominoperineal resection. A 53-year-old male patient underwent an abdominoperineal resection 6 years earlier for rectal cancer developed metachronous carcinoma at the site of stoma. A portion of the colon, including the stoma and the surrounding skin, was resected and a new stoma was created in the transverse colon. Although the occurrence of carcinoma at the stoma site is a rare condition, careful observation for the stoma and colonoscopy for surveillance are necessary.

Citations

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  • Tumor Recurrence at the Colostomy Site: A Rare Case Report and Literature Review
    Abdelhak Ettaoussi, Ilias El Azhari, Nassima Fakhiri, Abdessamad Majd, Kamal Khadija, Mounir Bouali, Abdelilah El Bakouri, Khalid Khaleq, Khalid El Hattabi
    European Journal of Medical and Health Research.2025; 3(3): 215.     CrossRef
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    Dheeraj Manne, Tirou Aroul, Robinson Smile
    International Surgery Journal.2025; 12(10): 1849.     CrossRef
  • Colostomy‐site carcinoma with primitive phenotype in a rectal cancer patient after achieving pathological complete response with neoadjuvant chemoradiotherapy
    Takayuki Kodama, Maki Kanzawa, Hiroshi Hasegawa, Shuichi Tsukamoto, Mari Nishio, Manabu Shigeoka, Yu‐ichiro Koma, Tomoo Itoh, Hiroshi Yokozaki
    Pathology International.2024; 74(1): 33.     CrossRef
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    Muhammed Huzaifa, Ankita Singh, Vaibhav Aggarwal, Anita Dhar
    Clinical Cancer Investigation Journal.2023; 12(2): 1.     CrossRef
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    Kayleigh A M van Dam, Thaís T T Tweed, Bart de Vries, Henricus J Belgers
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Original Articles
Malignant disease, Rectal cancer, Functional outcomes,Colorectal cancer
The Effect of Anastomotic Leakage on the Incidence and Severity of Low Anterior Resection Syndrome in Patients Undergoing Proctectomy: A Propensity Score Matching Analysis
Sungjin Kim, Sung Il Kang, So Hyun Kim, Jae-Hwang Kim
Ann Coloproctol. 2021;37(5):281-290.   Published online June 7, 2021
DOI: https://doi.org/10.3393/ac.2021.03.15
  • 6,394 View
  • 73 Download
  • 22 Web of Science
  • 23 Citations
AbstractAbstract PDF
Purpose
Proctectomy for the treatment of rectal cancer results in inevitable changes to bowel habits. Symptoms such as fecal incontinence, constipation, and tenesmus are collectively referred to as low anterior resection syndrome (LARS). Among the several risk factors that cause LARS, anastomotic leakage (AL) is a strong risk factor for permanent stoma formation. Therefore, the purpose of this study was to investigate the relationship between the severity of LARS and AL in patients with rectal cancer based on the LARS score and the Memorial Sloan Kettering Cancer Center (MSKCC) defecation symptom questionnaires.
Methods
We retrospectively analyzed patients who underwent low anterior resection for rectal cancer since January 2010. Patients who completed the questionnaire were classified into the AL group and control group based on medical and imaging records. Major LARS and MSKCC scores were analyzed as primary endpoints.
Results
Among the 179 patients included in this study, 37 were classified into the AL group. After propensity score matching, there were significant differences in the ratio of major LARS and MSKCC scores of the control group and AL group (ratio of major LARS: 11.1% and 37.8%, P<0.001; MSKCC score: 67.29±10.4 and 56.49±7.2, respectively, P<0.001). Univariate and multivariate analyses revealed that AL was an independent factor for major LARS occurrence and MSKCC score.
Conclusion
This study showed that AL was a significant factor in the occurrence of major LARS and defecation symptoms after proctectomy.

Citations

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  • Repeated Treatments for Chronic Colorectal and Coloanal Anastomotic Leaks are Associated With a Higher Chance of a Permanent Stoma
    Justin Dourado, Sameh Hany Emile, Anjelli Wignakumar, Brett Weiss, Nir Horesh, Victoria DeTrolio, Rachel Gefen, Zoe Garoufalia, Peter Rogers, Victor Strassmann, Steven D. Wexner
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    Colorectal Disease.2025;[Epub]     CrossRef
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    Surgical Endoscopy.2024; 38(4): 1912.     CrossRef
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Benign GI diease
Surgical Management of Sigmoid Volvulus: A Multicenter Observational Study
Keunchul Lee, Heung-Kwon Oh, Jung Rae Cho, Minhyun Kim, Duck-Woo Kim, Sung-Bum Kang, Hyung-Jin Kim, Hyoung-Chul Park, Rumi Shin, Seung Chul Heo, Seung-Bum Ryoo, Kyu Joo Park, Seoul Colorectal Research Group (SECOG)
Ann Coloproctol. 2020;36(6):403-408.   Published online December 31, 2020
DOI: https://doi.org/10.3393/ac.2020.03.23
  • 10,245 View
  • 186 Download
  • 17 Web of Science
  • 14 Citations
AbstractAbstract PDF
Purpose
This study aimed to evaluate real-world clinical outcomes from surgically treated patients for sigmoid volvulus.
Methods
Five tertiary centers participated in this retrospective study with data collected from October 2003 through September 2018, including demographic information, preoperative clinical data, and information on laparoscopic/open and elective/emergency procedures. Outcome measurements included operation time, postoperative hospitalization, and postoperative morbidity.
Results
Among 74 patients, sigmoidectomy was the most common procedure (n = 46), followed by Hartmann’s procedure (n = 23), and subtotal colectomy (n = 5). Emergency surgery was performed in 35 cases (47.3%). Of the 35 emergency patients, 34 cases (97.1%) underwent open surgery, and a stoma was established for 26 patients (74.3%). Elective surgery was performed in 39 cases (52.7%), including 21 open procedures (53.8%), and 18 laparoscopic surgeries (46.2%). Median laparoscopic operation time was 180 minutes, while median open surgery time was 130 minutes (P < 0.001). Median postoperative hospitalization was 11 days for laparoscopy and 12 days for open surgery. There were 20 postoperative complications (27.0%), and all were resolved with conservative management. Emergency surgery cases had a higher complication rate than elective surgery cases (40.0% vs. 15.4%, P = 0.034).
Conclusion
Relative to elective surgery, emergency surgery had a higher rate of postoperative complications, open surgery, and stoma formation. As such, elective laparoscopic surgery after successful sigmoidoscopic decompression may be the optimal clinical option.

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    Jin Qian, Shu-Qing Hua
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    Suzanne C. Arnold, Wardah Rafaqat, May Abiad, Emanuele Lagazzi, Anne H. Hoekman, Vahe S. Panossian, Ikemsinachi C. Nzenwa, Charudutt N. Paranjape, George C. Velmahos, Haytham M.A. Kaafarani, John O. Hwabejire
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  • Epidemiology and age-related trends in surgical outcomes for sigmoid volvulus: a 17-year analysis
    Lukas Schabl, Stefan D. Holubar, Kamil Erozkan, Ali Alipouriani, Himani Sancheti, Scott R. Steele, Hermann Kessler
    Langenbeck's Archives of Surgery.2024;[Epub]     CrossRef
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    Isabel C. Brito Rojas, Mayra A. Hernández Peñuela, Vanessa Medina Gaviria, Martin La Rotta, John M. Escobar Echeverri
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    Tilahun Deresse, Esubalew Tesfahun, Zenebe Gebreegziabher, Mandante Bogale, Dawit Alemayehu, Megbar Dessalegn, Tewodros Kifleyohans, George Eskandar
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Case Reports
Malignant disease,Colorectal cancer
Synchronous Quadruple Colon Cancer With Two Lesions Previously Obscured by Ischemic Colitis, Plus Bladder Cancer and Thymoma: A Case Report
Byung-Soo Park, Sung Hwan Cho, Su Jin Kim, Tae Un Kim, Dong Il Kim, Gyung Mo Son, Hyun Sung Kim
Ann Coloproctol. 2021;37(Suppl 1):S44-S47.   Published online September 18, 2020
DOI: https://doi.org/10.3393/ac.2020.06.18
  • 4,695 View
  • 60 Download
  • 3 Web of Science
  • 4 Citations
AbstractAbstract PDF
Synchronous quadruple colorectal cancer (CRC) is extremely rare without genetic alterations. We present a case of synchronous quadruple CRC with 2 lesions previously obscured by ischemic colitis. A 73-year-old woman was admitted to our emergency department. An abdominal computed tomography revealed ischemic colitis and irregular wall thickening of the sigmoid colon and sigmoid-descending junction, suspicious of 2 colon cancers. A colonoscopy examination revealed a fungating mass 20 cm from the anal verge, as well as ischemic colitis spanning the mucosa from the sigmoid colon to the transverse colon. The patient underwent laparoscopic Hartmann procedure. Pathologic examination confirmed both lesions as adenocarcinomas with microsatellite stable. Seven months postoperatively, instead of a laparoscopic Hartmann reversal, a laparoscopic total colectomy was performed due to the continued presence of severe ischemic colitis. The pathologic report suggested the presence of 2 distinct invasive adenocarcinomas in the descending colon without genetic alterations such as microsatellite instability.

Citations

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  • Laparoscopic surgery for synchronous double colorectal cancer with obstruction, plus small B cell lymphoma: a case report
    Shunhua Tian, Feng Wu, Fan Yang, Guilin Min, Hongliu Chen
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    I. V. Albergati, C. Simeth, F. Monica
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    Zuhal Kuş Silav, Cansu Sönmez, Bülent Aydemir, Mehmet Yıldırım, Tamer Okay, Fügen Vardar Aker
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    Eric Bergeron, Thibaut Maniere, Xuan Vien Do, Michael Bensoussan, Eric De Broux
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Benign GI diease,Benign diesease & IBD
Enterovesical Fistula From Meckel Diverticulum
Seung-Rim Han, Hyung-Jin Kim, Ri Na Yoo, Suk Hyun Shin, Gun Kim, Hyeon Min Cho, Seung-Ju Lee, Hyang-Im Lee
Ann Coloproctol. 2021;37(Suppl 1):S1-S3.   Published online March 16, 2020
DOI: https://doi.org/10.3393/ac.2019.01.18
  • 5,789 View
  • 102 Download
  • 3 Web of Science
  • 3 Citations
AbstractAbstract PDF
Meckel diverticulum is a common congenital malformation of the gastrointestinal tract and can cause complications such as ulceration, hemorrhage, intussusception, and perforation. This report describes a very rare complication of an enterovesical fistula associated with chronic Meckel diverticulum. A 51-year-old male presented with over 10 years of persistent pyuria. Tests were performed to rule out malignancy, including serum prostate-specific antigen level, urine cytology, bacterial culture, cystoscopy, and bladder computed tomography. An enterovesical fistula was identified, and laparoscopic exploration was performed. The findings suggested enterovesical fistula formation caused by chronic inflammation at the tip of a Meckel diverticulum. Segmental resection of the small bowel including the diverticulum and primary repair of the urinary bladder along with partial cystectomy were performed. The postoperative clinical course was uneventful. An enterovesical fistula is a very rare complication resulting from chronic inflammation of a Meckel diverticulum.

Citations

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  • Management of vesicoenteric fistulas arising from perforated Meckel’s diverticulum: a report of a case and review of the literature
    Dimitrios Diamantidis, Nikolaos Papatheodorou, Panagiotis Kostoglou, Georgios Tsakaldimis, Sotirios Botaitis
    Oxford Medical Case Reports.2024;[Epub]     CrossRef
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    Dorota Skrajnowska, Barbara Bobrowska-Korczak
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Original Article
Benign GI diease, Functional outcomes
The Effects of Preoperative Pain Education on the Decision to Discharge Patients Following Single-Incision Laparoscopic Appendectomy
Ji Won Seo, Moon Jin Kim, Sung-Hoon Yoon, Kwang Yeol Paik, Sun Min Park, Won Kyung Kang, Dosang Lee, Chul Seung Lee
Ann Coloproctol. 2020;36(6):398-402.   Published online January 24, 2020
DOI: https://doi.org/10.3393/ac.2020.01.16
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AbstractAbstract PDFSupplementary Material
Purpose
Few studies have analyzed the effects of preoperative pain education on the postoperative decision to discharge. The purpose of this study was to determine the effects of pain education and management on the decision to discharge patients after single-incision laparoscopic appendectomy (SILA).
Methods
We analyzed 135 patients who had undergone SILA for acute appendicitis between March 2017 and April 2018 in a single medical center. Of these, 72 patients (53.3%) had received preoperative pain education (group 1), and 63 (46.7%) had not (group 2). We compared perioperative outcomes and complications between the groups.
Results
Baseline characteristics of sex, age, body mass index, American Society of Anesthesiologist score, and systemic inflammation factors (neutrophil-lymphocyte ratio, C-reactive protein level) did not differ significantly between the groups. There were no postoperative complications for patients in either group. Perioperative consequences and pathologic findings were not significantly different between the groups; however, length of hospital was significantly shorter in group 1.
Conclusion
Preoperative pain education in relation to postoperative pain management influenced the decision to shorten the postoperative hospital length of stay after SILA.

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  • Perioperative outcomes of laparoscopic low anterior resection using ArtiSential® versus robotic approach in patients with rectal cancer: a propensity score matching analysis
    I. K. Kim, C. S. Lee, J. H. Bae, S. R. Han, W. Alshalawi, B. C. Kim, I. K. Lee, D. S. Lee, Y. S. Lee
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    Won Jong Kim, Ji Yeon Mun, Hee Ju Kim, Sung-Hoon Yoon, Seung-Rim Han, Jung Hoon Bae, In Kyu Lee, Yoon Suk Lee, Do Sang Lee, Chul Seung Lee
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    Chul Seung Lee, Soo Ji Park, Sang Hyun Hong, Jung-Woo Shim, Min Suk Chae, Seung-Rim Han, Jung Hoon Bae, In Kyu Lee, Dosang Lee, Yoon Suk Lee, Seong Taek Oh
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Case Report
Malignant disease
Abdominopelvic Actinomycosis Mimicking Peritoneal Carcinomatosis: A Case Report
Sungjin Kim, Sung Il Kang, Sohyun Kim, Min Hye Jang, Jae Hwang Kim
Ann Coloproctol. 2020;36(6):417-420.   Published online November 13, 2019
DOI: https://doi.org/10.3393/ac.2019.11.07
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AbstractAbstract PDF
Actinomycosis is a rare chronic bacterial infection primarily caused by Actinomyces israelii. A 47-year-old woman presented to our clinic with a 1-week history of lower abdominal pain. Preoperative imaging studies revealed multiple peritoneal and pelvic masses suggestive of malignancy. The primary tumor could not be identified despite further endoscopic and gynecological evaluation. On exploration for tissue confirmation, excisional biopsies from multiple masses were performed because complete excision was not possible. Histopathological examination confirmed actinomycosis with multiple abscesses, and the patient was treated with antibiotics. We present a case of disseminated peritoneal actinomycosis that mimicked malignant peritoneal carcinomatosis on imaging studies.

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  • Carcinomatosis peritoneal, como medirla
    A. Mesa Álvarez, M. da Silva Torres, A. Fernández del Valle, A. Cernuda García, E. Turienzo Santos, L. Sanz Álvarez
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Original Article
Clinical Outcomes of Ileostomy Closure According to Timing During Adjuvant Chemotherapy After Rectal Cancer Surgery
Yoo Jin Choi, Jung-Myun Kwak, Neul Ha, Tae Hoon Lee, Se Jin Baek, Jin Kim, Seon Hahn Kim
Ann Coloproctol. 2019;35(4):187-193.   Published online August 31, 2019
DOI: https://doi.org/10.3393/ac.2018.10.18.1
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AbstractAbstract PDF
Purpose
No guidelines exist detailing when to implement a temporary ileostomy closure in the setting of adjuvant chemotherapy following sphincter-saving surgery for rectal cancer. The aim of this study was to evaluate the clinical and oncological outcomes of ileostomy closure during adjuvant chemotherapy in patients with curative resection of rectal cancer.
Methods
This retrospective study investigated 220 patients with rectal cancer undergoing sphincter-saving surgery with protective loop ileostomy from January 2007 to August 2016. Patients were divided into 2 groups: group 1 (n = 161) who underwent stoma closure during adjuvant chemotherapy and group 2 (n = 59) who underwent stoma closure after adjuvant chemotherapy.
Results
No significant differences were observed in operative time, blood loss, postoperative hospital stay, or postoperative complications in ileostomy closure between the 2 groups. No difference in overall survival (P = 0.959) or disease-free survival (P = 0.114) was observed between the 2 groups.
Conclusion
Ileostomy closure during adjuvant chemotherapy was clinically safe, and interruption of chemotherapy due to ileostomy closure did not change oncologic outcomes.

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Review
Clinical Implications of Lymph Node Metastasis in Colorectal Cancer: Current Status and Future Perspectives
Hye Jin Kim, Gyu–Seog Choi
Ann Coloproctol. 2019;35(3):109-117.   Published online June 30, 2019
DOI: https://doi.org/10.3393/ac.2019.06.12
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AbstractAbstract PDF
Lymph node metastasis is regarded as an indubitable prognostic factor for predicting disease recurrence and survival in patients with colorectal cancer. Lymph node status based on examination of a resected specimen is a key element of the current staging system and is also a crucial factor to determine use of adjuvant chemotherapy after surgical resection. However, the current tumor-node-metastasis (TNM) staging system only incorporates the number of metastatic lymph nodes in the N category. Numerous attempts have been made to supplement this simplified N staging including lymph node ratio, distribution of metastatic lymph nodes, tumor deposits, or extracapsular invasion. In addition, several attempts have been made to identify more specific prognostic factors in resected colorectal specimens than lymph node status. In this review, we will discuss controversies in lymph node staging and factors that may influence survival beyond lymph node status.

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    Pavan Kumar Jonnada, Monish Karunakaran, Dayakar Rao
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Original Articles
Oncologic Outcomes of Postoperative Chemoradiotherapy Versus Chemotherapy Alone in Stage II and III Upper Rectal Cancer
Ji Eun Yoon, Soo Young Lee, Han Duk Kwak, Seung Seop Yeom, Chang Hyun Kim, Jae Kyun Joo, Hyeong Rok Kim, Young Jin Kim
Ann Coloproctol. 2019;35(3):137-143.   Published online June 30, 2019
DOI: https://doi.org/10.3393/ac.2018.09.28
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  • 6 Citations
AbstractAbstract PDF
Purpose
The aim of this study was to assess oncological outcomes of postoperative radiotherapy plus chemotherapy (CRT) versus chemotherapy alone (CTx) in stage II or III upper rectal cancer patients who underwent curative surgery.
Methods
We retrospectively reviewed 263 consecutive patients with pathologic stage II or III upper rectal cancer who underwent primary curative resection with postoperative CRT or CTx from January 2008 to December 2014 at Chonnam National University Hwasun Hospital. Multivariate and propensity score matching analyses were used to reduce selection bias.
Results
Median follow-up was 48.1 months for the entire cohort and 53.5 months for the matched cohort. In subgroup analysis of the propensity score matched cohort, the 3-year local recurrence-free survival was 94.1% (95% confidence interval [CI], 87.8%–100%) in the CRT group and 90.1% (95% CI, 82.8%–97.9%) in the CTx group (P = 0.370). No significant difference in disease-free survival was observed according to treatment type. On multivariate analysis, circumferential resection margin involvement (hazard ratio [HR], 2.386; 95% CI, 1.190–7.599; P = 0.032), N stage (HR, 6.262; 95% CI, 1.843–21.278, P = 0.003), and T stage (HR, 5.896, 95% CI, 1.298–6.780, P = 0.021) were identified as independent risk factors for local recurrence of tumors of the upper rectum.
Conclusion
Omission of radiotherapy in an adjuvant treatment setting may not jeopardize oncologic outcomes in stages II and III upper rectal cancer.

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    Xian Hua Gao, Bai Zhi Zhai, Juan Li, Jean Luc Tshibangu Kabemba, Hai Feng Gong, Chen Guang Bai, Ming Lu Liu, Shao Ting Zhang, Fu Shen, Lian Jie Liu, Wei Zhang
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Clinical Outcomes of Patients With Locally Advanced Rectal Cancer With Persistent Circumferential Resection Margin Invasion After Preoperative Chemoradiotherapy
Chang Hyun Kim, Seung-Seop Yeom, Hand-Duk Kwak, Soo Young Lee, Jae Kyun Ju, Young Jin Kim, Hyeong Rok Kim
Ann Coloproctol. 2019;35(2):72-82.   Published online April 30, 2019
DOI: https://doi.org/10.3393/ac.2019.04.22
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AbstractAbstract PDF
Purpose
Treatment after failure of circumferential resection margin (CRM) conversion after preoperative chemoradiotherapy (pCRT) for locally advanced rectal cancer (LARC) has not been evaluated well. We conducted a single‐center, retrospective analysis to fill this information gap.
Methods
From 2008 to 2016, we included 112 patients who had predictive CRM involvement on baseline magnetic resonance imaging (MRI) and who underwent surgery following pCRT for LARC. Baseline and posttreatment radiologic and clinical factors were analyzed.
Results
Of 493 patients with LARC, 112 had CRM involvement by baseline MRI (mrCRM). In 40 patients (35.7%), mrCRM involvement was converted as negative posttreatment CRM (ymrCRM−). Multivariate analysis showed the risk factors for persistent CRM involvement (ymrCRM+) after pCRT were extramural venous invasion (mrEMVI+) (P = 0.030) and lower tumor location (P = 0.007). In addition, persistent CRM involvement after pCRT was an independent risk factor for predicting pathologic CRM involvement. The Cox proportional hazard model showed baseline positive mrEMVI remained significant for disease-free survival (DFS) (P < 0.001). On posttreatment MRI, abdominoperineal resection (P = 0.031), intersphincteric resection (P = 0.006), and persistent CRM involvement (P = 0.001) remained significant for local recurrence-free survival. With regard to DFS, persistent CRM involvement (P = 0.048) and positive EMVI on posttreatment MRI (ymrEMVI) (P = 0.014) were significant. In the patient subgroup with persistent CRM involvement, 5-year DFS in patients with mrEMVI and ymrEMVI was 29.8% and 21.2%, respectively.
Conclusion
Patients who fail to convert to negative CRM have extremely poor oncologic outcomes. Lower tumor height and negative mrEMVI status were good responders to ymrCRM conversion. Our results suggest that these patients require a more intensive treatment modality.

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    Nerea Becerra‐Tomás, Georgios Markozannes, Margarita Cariolou, Katia Balducci, Rita Vieira, Sonia Kiss, Dagfinn Aune, Darren C. Greenwood, Laure Dossus, Ellen Copson, Andrew G. Renehan, Martijn Bours, Wendy Demark‐Wahnefried, Melissa M. Hudson, Anne M. Ma
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    François Rouleau Fournier, Mohammad Ali K. Motamedi, Carl J. Brown, Terry Phang, Manoj J. Raval, Cameron J. Hague, Ahmer A. Karimuddin
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Review
Organ Preservation Strategies After Neoadjuvant Chemoradiotherapy for Locally Advanced Rectal Cancer
Ri Na Yoo, Hyung Jin Kim
Ann Coloproctol. 2019;35(2):53-64.   Published online April 30, 2019
DOI: https://doi.org/10.3393/ac.2019.04.15.1
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AbstractAbstract PDF
Standard use of neoadjuvant chemoradiotherapy, total mesorectal excision, and postoperative adjuvant chemotherapy in locally advanced rectal cancer has tremendously improved oncologic outcomes over the past several decades. However, these improvements come with costs of significant morbidity and poor quality of life. Along with developments in imaging techniques, clinical experience and evidence have identified a certain subgroup of patients that have exceptionally good clinical outcomes while preserving quality of life. Driven by patient demand and interest in preserving quality of life, numerous organ preservation treatment strategies for managing rectal cancer are rapidly evolving. Herein, the flow of research in organ preservation strategies and counter arguments are discussed.

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  • Lateral pelvic lymph node dissection based on nodal response to neoadjuvant chemoradiotherapy in mid/low rectal cancer: a retrospective comparative cohort study
    Tae-Gyun Lee, Duck-Woo Kim, Hong-min Ahn, Hye-Rim Shin, Mi Jeong Choi, Min Hyeong Jo, Heung-Kwon Oh, Sung-Bum Kang
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Original Articles
Early Systemic Failure After Preoperative Chemoradiotherapy for the Treatment of Patients With Rectal Cancer
Taesun Choi, Se-Jin Baek, Jung Myun Kwak, Jin Kim, Seon-Hahn Kim
Ann Coloproctol. 2019;35(2):94-99.   Published online April 30, 2019
DOI: https://doi.org/10.3393/ac.2018.08.28
  • 5,490 View
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  • 2 Web of Science
  • 2 Citations
AbstractAbstract PDF
Purpose
Distant metastasis can occur early after neoadjuvant chemoradiotherapy (CRT) in patients with rectal cancer. This study was conducted to evaluate the clinical characteristics of patients who developed early systemic failure.
Methods
The patients who underwent neoadjuvant CRT for a rectal adenocarcinoma between June 2007 and July 2015 were included in this study. Patients who developed distant metastasis within 6 months after CRT were identified. We compared short- and long-term clinicopathologic outcomes of patients in the early failure (EF) group with those of patients in the control group.
Results
Of 107 patients who underwent neoadjuvant CRT for rectal cancer, 7 developed early systemic failure. The lung was the most common metastatic site. In the EF group, preoperative carcinoembryonic antigen was higher (5 mg/mL vs. 2 mg/mL, P = 0.010), and capecitabine as a sensitizer of CRT was used more frequently (28.6% vs. 3%, P = 0.002). Of the 7 patients in the EF group, only 4 underwent a primary tumor resection (57.1%), in contrast to the 100% resection rate in the control group (P < 0.001). In terms of pathologic outcomes, ypN and TNM stages were more advanced in the EF group (P < 0.001 and P = 0.047, respectively), and numbers of positive and retrieved lymph nodes were much higher (P < 0.001 and P = 0.027, respectively).
Conclusion
Although early distant metastasis after CRT for rectal cancer is very rare, patients who developed early metastasis showed a poor nodal response with a low primary tumor resection rate and poor oncologic outcomes.

Citations

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  • Characteristics of Patients Presented With Metastases During or After Completion of Chemoradiation Therapy for Locally Advanced Rectal Cancer: A Case Series
    Radwan Torky, Mohammed Alessa, Ho Seung Kim, Ahmed Sakr, Eman Zakarneh, Fozan Sauri, Heejin Bae, Nam Kyu Kim
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Anastomotic Sinus That Developed From Leakage After a Rectal Cancer Resection: Should We Wait for Closure of the Stoma Until the Complete Resolution of the Sinus?
Chris Tae-Young Chung, Se-Jin Baek, Jung-Myun Kwak, Jin Kim, Seon-Hahn Kim
Ann Coloproctol. 2019;35(1):30-35.   Published online January 25, 2019
DOI: https://doi.org/10.3393/ac.2018.08.13
  • 7,888 View
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  • 5 Web of Science
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AbstractAbstract PDF
Purpose
The aims of this study were to identify the clinical characteristics of an anastomotic sinus and to assess the validity of delaying stoma closure in patients until the complete resolution of an anastomotic sinus.
Methods
The subject patients are those who had undergone a resection of rectal cancer from 2011 to 2017, who had a diversion ileostomy protectively or therapeutically and who developed a sinus as a sequelae of anastomotic leakage. The primary outcomes that were measured were the incidence, management and outcomes of an anastomotic sinus.
Results
Of the 876 patients who had undergone a low anterior resection, 14 (1.6%) were found to have had an anastomotic sinus on sigmoidoscopy or a gastrografin enema before their ileostomy closure. In the 14 patients with a sinus, 7 underwent ileostomy closure as scheduled, with a mean closure time of 4.1 months. The remaining 7 patients underwent ileostomy repair, but it was delayed until after the follow-up for the widening of the sinus opening by using digital dilation, with a mean closure time of 6.9 months. Four of those remaining seven patients underwent stoma closure even though their sinus condition had not yet been completely resolved. No pelvic septic complications occurred after closure in any of the 14 patients with an anastomotic sinus, but 2 of the 14 needed a rediversion due to a severe anastomotic stricture.
Conclusion
Patients with an anastomotic sinus who had been carefully selected underwent successful ileostomy closure without delay.

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  • Management of Low-Rectal Anastomotic Sinus With Transanal Minimally Invasive Septotomy
    Nirvana B. Saraswat, Scott A. Brill, William E. Wise
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    Mohamed Rabie, Laura Parry, Iannish Sadien, Sandeep Kapur, Adam Stearns, Irshad Shaikh
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    Peter Kienle, Jörn Richard Magdeburg
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  • Response to Dioscoridi et al.
    G. I. Popivanov, V. M. Mutafchiyski, R. Cirocchi, S. D. Chipeva, V. V. Vasilev, K. T. Kjossev, M. S. Tabakov
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  • Anastomotic Sinus Developed From Leakage in Rectal Cancer Resection: When Can We Reverse the Defunctioning Stoma?
    Chang Hyun Kim
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Video
Reduced-Port Laparoscopic Surgery for Patients With Proximal Transverse Colon Cancer With Situs Inversus Totalis: A Case Report
Seung-Seop Yeom, Kyung Hwan Kim, Soo Young Lee, Chang Hyun Kim, Hyeong Rok Kim, Young Jin Kim
Ann Coloproctol. 2018;34(6):322-325.   Published online December 31, 2018
DOI: https://doi.org/10.3393/ac.2018.05.29.1
  • 8,818 View
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  • 4 Citations
AbstractAbstract PDFSupplementary Material
Situs inversus is a rare hereditary disorder in which various anomalies have been reported with internal rotation abnormalities. This case involved an 85-year-old woman who had been diagnosed with transverse colon cancer and who underwent reduced-port laparoscopic surgery. All intra-abdominal organs were reversed left to right and right to left. The aberrant midcolic artery was identified during surgery. The total surgery time was 170 minutes, and the patient lost 20 mL of blood. The patient was discharged on the 8th postoperative day without complications.

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  • Laparoscopic common bile duct exploration to treat choledocholithiasis in situs inversus patients: A technical review
    Bo-Ya Chiu, Shu-Hung Chuang, Shih-Chang Chuang, Kung-Kai Kuo
    World Journal of Clinical Cases.2023; 11(9): 1939.     CrossRef
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    Zi-Ling Zheng, Shou-Ru Zhang, Hao Sun, Mao-Cai Tang, Jing-Kun Shang
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    Lei Kang, Dongmei Guo, Yanhai Dong, Xiaowei Chen, Chao Yuan
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Original Articles
Clinical Outcomes of a Redo for a Failed Colorectal or Coloanal Anastomosis
In Teak Woo, Jun Seok Park, Gyu-Seog Choi, Soo Yeun Park, Hye Jin Kim, In Kyu Park
Ann Coloproctol. 2018;34(5):259-265.   Published online October 31, 2018
DOI: https://doi.org/10.3393/ac.2018.05.04
  • 6,662 View
  • 135 Download
  • 12 Web of Science
  • 13 Citations
AbstractAbstract PDF
Purpose
Redo surgery in patients with a persistent anastomotic failure (PAF) is a rare procedure, and data about this procedure are lacking. This study aimed to evaluate the surgical outcomes of redo surgery in such patients.
Methods
Patients who underwent a redo anastomosis for PAF from January 2004 to November 2016 were retrospectively evaluated. Data from a prospective colorectal database were analyzed. Success was defined as the combined absence of any anastomosis-related complications and a stoma at the last follow-up.
Results
A total of 1,964 patients who underwent curative surgery for rectal cancer during this study period were included. Among them, 32 consecutive patients underwent a redo anastomosis for PAF. Thirteen patients of those 32 had major anastomotic dehiscence with a pelvic sinus, 12 had a recto-vaginal fistula, and 7 had anastomosis stenosis. There were no postoperative deaths. The median operation time was 255 minutes (range, 80–480 minutes), and the median blood loss was 80 mL (range, 30–1,000 mL). The overall success rate was 78.1%, and the morbidity rate was 40.6%. Multivariable analyses showed that the primary tumor height at the lower level was the only statistically significant risk factor for redo surgery (P = 0.042; hazard ratio, 2.444).
Conclusion
In our experience, a redo anastomosis is a feasible surgical option that allows closure of a stoma in nearly 80% of patients. Lower tumor height (<5 cm from the anal verge) is the only independent risk factor for nonclosure of defunctioning stomas after primary rectal surgery.

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Lifestyle Factors and Bowel Preparation for Screening Colonoscopy
Jong Hee Hyun, Sang Jin Kim, Jung Hun Park, Gyung Ah Wie, Jeong-seon Kim, Kyung Su Han, Byung Chang Kim, Chang Won Hong, Dae Kyung Sohn
Ann Coloproctol. 2018;34(4):197-205.   Published online August 31, 2018
DOI: https://doi.org/10.3393/ac.2018.03.13
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AbstractAbstract PDF
Purpose
The quality of bowel preparation is a major determinant of the quality of colonoscopy. This study evaluated lifestyle factors, including usual dietary style, associated with bowel preparation.
Methods
This retrospective study evaluated 1,079 consecutive subjects who underwent complete colonoscopy from December 2012 to April 2014 at National Cancer Center of Korea. Questionnaires on bowel preparation were completed by the subjects, with the quality of bowel preparation categorized as optimal (excellent or good) or suboptimal (fair, poor or inadequate). Lifestyle factors associated with bowel preparation were analyzed.
Results
The 1,079 subjects included 680 male (63.0%) and 399 female patietns (37.0%), with a mean age of 49.6 ± 8.32 years. Bowel preparation was categorized as optimal in 657 subjects (60.9%) and as suboptimal in 422 (39.1%). Univariate analyses showed no differences between groups in lifestyle factors, such as regular exercise, alcohol intake, smoking, and dietary factor. Body mass index (BMI) > 25 kg/m2 was the only factor associated with suboptimal bowel preparation on both the univariate (P = 0.007) and the multivariate (odds ratio, 1.437; 95% confidence interval, 1.104–1.871; P = 0.007) analyses.
Conclusion
Most lifestyle factors, including dietary patterns, exercise, alcohol intake and smoking, were not associated with suboptimal bowel preparation in Koreans. However, BMI > 25 kg/m2 was independently associated with suboptimal bowel preparation. More intense preparation regimens before colonoscopy can be helpful in subjects with BMI > 25 kg/m2.

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Case Reports
Large Cell Neuroendocrine Carcinoma of the Colon With Carcinomatosis Peritonei
Jang Jin Kim, Sung Su Park, Taek-Gu Lee, Ho-Chang Lee, Sang-Jeon Lee
Ann Coloproctol. 2018;34(4):222-225.   Published online July 26, 2018
DOI: https://doi.org/10.3393/ac.2018.02.27
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AbstractAbstract PDF
Colorectal large-cell neuroendocrine carcinomas (NECs) are extremely rare and have very poor prognosis compared to adenocarcinomas. A 74-year-old man presented with abdominal pain, diarrhea and hematochezia. The histopathologic report of colonoscopic biopsy performed at a local clinic was a poorly differentiated carcinoma. An abdominopelvic computed scan revealed irregularly enhanced wall thickening at the sigmoid colon with regional fat stranding and lymphnode enlargement. He underwent a laparoscopic high anterior resection with selective peritonectomy for peritoneal carcinomatosis, intraoperative peritoneal irrigation chemotherapy, and early postoperative intraperitoneal chemotherapy for 5 days. The tumor had a high proliferation rate (mitotic count > 50/10 HPFs and 90% of the Ki-67 index) and lymph-node metastases had occurred. On immunohistochemistry, the tumor cells expressed CD56 and synaptophysin. Large-cell NEC was confirmed. Systemic chemotherapy with cisplatin/etoposide was done. The patient is still alive after 3 years with no evidence of recurrence.

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Rhabdomyolysis Following Colonoscopy: A Case Report
Jin Yong Jeong, Kap Tae Kim, Mi Jin Kim, Yea Jeong Kim
Ann Coloproctol. 2018;34(1):52-55.   Published online February 28, 2018
DOI: https://doi.org/10.3393/ac.2018.34.1.52
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AbstractAbstract PDF

We experienced a case of 1 patient who died from rhabdomyolysis-related complications after colonoscopy. A 60-year-old man had undergone an ‘uncomplicated’ colonoscopic polypectomy. Approximately 10 hours following this procedure, the patient complained of increasing left abdominal pain. His computed tomography image showed free gas, but his operative findings revealed no macroscopic perforation or abscess formation. Eight hours after the operation, the patient presented with myoglobulinuria, and we diagnosed the condition to be rhabdomyolysis. Based on this case, we recommend that rhabdomyolysis be added to the list of complications following a colonoscopic procedure. Moreover, for prevention and early treatment, endoscopists should be attentive to the risk factors and signs/symptoms of rhabdomyolysis.

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  • Rhabdomyolysis following colorectal endoscopic submucosal dissection: A case report
    Ying Chen, Wenxuan Zhang, Junqiang Cai, Min Zhong
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Review
The Future Medical Science and Colorectal Surgeons
Young Jin Kim
Ann Coloproctol. 2017;33(6):207-209.   Published online December 31, 2017
DOI: https://doi.org/10.3393/ac.2017.33.6.207
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AbstractAbstract PDF

Future medical technology breakthroughs will build from the incredible progress made in computers, biotechnology, and nanotechnology and from the information learned from the human genome. With such technology and information, computer-aided diagnoses, organ replacement, gene therapy, personalized drugs, and even age reversal will become possible. True 3-dimensional system technology will enable surgeons to envision key clinical features and will help them in planning complex surgery. Surgeons will enter surgical instructions in a virtual space from a remote medical center, order a medical robot to perform the operation, and review the operation in real time on a monitor. Surgeons will be better than artificial intelligence or automated robots when surgeons (or we) love patients and ask questions for a better future. The purpose of this paper is looking at the future medical science and the changes of colorectal surgeons.

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Editorial
Colorectal Cancer Surgery in Elderly Patients
Young Jin Kim
Ann Coloproctol. 2017;33(4):121-122.   Published online August 31, 2017
DOI: https://doi.org/10.3393/ac.2017.33.4.121
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PDF

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Original Articles
Unexpected Appendiceal Pathologies and Their Changes With the Expanding Use of Preoperative Imaging Studies
Hong Yeol Yoo, Jaewoo Choi, Jongjin Kim, Young Jun Chai, Rumi Shin, Hye Seong Ahn, Chang-Sup Lim, Hae Won Lee, Ki-Tae Hwang, In Mok Jung, Jung Kee Chung, Seung Chul Heo
Ann Coloproctol. 2017;33(3):99-105.   Published online June 30, 2017
DOI: https://doi.org/10.3393/ac.2017.33.3.99
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AbstractAbstract PDF
Purpose

The preoperative diagnosis of acute appendicitis is often challenging. Sometimes, pathologic results of the appendix embarrass or confuse surgeons. Therefore, more and more imaging studies are being performed to increase the accuracy of appendicitis diagnoses preoperatively. However, data on the effect of this increase in preoperative imaging studies on diagnostic accuracy are limited. We performed this study to explore unexpected appendiceal pathologies and to delineate the role of preoperative imaging studies in the diagnosis of acute appendicitis.

Methods

The medical records of 4,673 patients who underwent an appendectomy for assumed appendicitis between 1997 and 2012 were reviewed retrospectively. Pathological results and preoperative imaging studies were surveyed, and the frequencies of pathological results and preoperative imaging studies were investigated.

Results

The overall rate of pathology compatible with acute appendicitis was 84.4%. Unexpected pathological findings, such as normal histology, specific inflammations other than acute appendicitis, neoplastic lesions, and other pathologies, comprised 9.6%, 3.3%, 1.2%, and 1.5%, respectively. The rate of unexpected pathological results was significantly reduced because of the increase in preoperative imaging studies. The decrease in normal appendices contributed the most to the reduction while other unexpected pathologies did not change significantly despite the increased use of imaging studies. This decrease in normal appendices was significant in both male and female patients under the age of 60 years, but the differences in females were more prominent.

Conclusion

Unexpected appendiceal pathologies comprised 15.6% of the cases. Preoperative imaging studies reduced them by decreasing the negative appendectomy rate of patients with normal appendices.

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    Nicholas Awodele Awolola, Andrea Oludolapo Akinjo, AbdulRazzaq Oluwagbemiga Lawal, Kabir Bolarinwa Badmos, Fatimah Biade Abdulkareem
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Correlation Between Bowel Preparation and the Adenoma Detection Rate in Screening Colonoscopy
Jung Hun Park, Sang Jin Kim, Jong Hee Hyun, Kyung Su Han, Byung Chang Kim, Chang Won Hong, Sang-Jeon Lee, Dae Kyung Sohn
Ann Coloproctol. 2017;33(3):93-98.   Published online June 30, 2017
DOI: https://doi.org/10.3393/ac.2017.33.3.93
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AbstractAbstract PDF
Purpose

The adenoma detection rate is commonly used as a measure of the quality of colonoscopy. This study assessed both the association between the adenoma detection rate and the quality of bowel preparation and the risk factors associated with the adenoma detection rate in screening colonoscopy.

Methods

This retrospective analysis involved 1,079 individuals who underwent screening colonoscopy at the National Cancer Center between December 2012 and April 2014. Bowel preparation was classified by using the Aronchick scale. Individuals with inadequate bowel preparations (n = 47, 4.4%) were excluded because additional bowel preparation was needed. The results of 1,032 colonoscopies were included in the analysis.

Results

The subjects' mean age was 53.1 years, and 657 subjects (63.7%) were men. The mean cecal intubation time was 6.7 minutes, and the mean withdrawal time was 8.7 minutes. The adenoma and polyp detection rates were 28.1% and 41.8%, respectively. The polyp, adenoma, and advanced adenoma detection rates did not correlate with the quality of bowel preparation. The multivariate analysis showed age ≥ 60 years (hazard ratio [HR], 1.42; 95% confidence interval [CI], 1.02–1.97; P = 0.040), body mass index ≥ 25 kg/m2 (HR, 1.56; 95% CI, 1.17–2.08; P = 0.002) and current smoking (HR, 1.44; 95% CI, 1.01–2.06; P = 0.014) to be independent risk factors for adenoma detection.

Conclusion

The adenoma detection rate was unrelated to the quality of bowel preparation for screening colonoscopy. Older age, obesity, and smoking were independent risk factors for adenoma detection.

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Editorial
Mucinous Subtype in Patients With Colorectal Cancer
Hyung Jin Kim
Ann Coloproctol. 2017;33(2):44-45.   Published online April 28, 2017
DOI: https://doi.org/10.3393/ac.2017.33.2.44
  • 4,836 View
  • 47 Download
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  • 1 Citations
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  • Survival after curative resection for stage I colorectal mucinous adenocarcinoma
    Liang Huang, Shuangling Luo, Sicong Lai, Zhanzhen Liu, Huanxin Hu, Mian Chen, Liang Kang
    BMC Gastroenterology.2022;[Epub]     CrossRef
Case Report
Pneumoretroperitoneum, Pneumomediastinum, Subcutaneous Emphysema After a Rectal Endoscopic Mucosal Resection
Hee Cheul Jung, Hyun Jin Kim, Sung Bok Ji, Jun Hyeong Cho, Ji Hye Kwak, Chang Min Lee, Wan Soo Kim, Jin Ju Kim, Jae Min Lee, Sang Su Lee
Ann Coloproctol. 2016;32(6):234-238.   Published online December 31, 2016
DOI: https://doi.org/10.3393/ac.2016.32.6.234
  • 6,893 View
  • 73 Download
  • 2 Web of Science
  • 4 Citations
AbstractAbstract PDF

An endoscopic mucosal resection (EMR) is an effective and safe therapeutic technique for treating a patient with a laterally-spreading tumor (LST). Colonoscopic-procedure-related complications are noted to be about 2.8% worldwide, and a perforation is the most common. Most colon perforations cause pneumoperitoneum. However, a perforation within the retroperitoneal portion of the colon (rectum and some of sigmoid colon) may cause an extraperitoneal perforation, and the leaking free air may induce pneumoretroperitoneum, pneumomediastinum, and subcutaneous emphysema, depending on the amount of discharged air. Herein, we present the case of a patient with an extraperitoneal colon microperforation which manifested as pneumoretroperitoneum, pneumomediastinum, and subcutaneous emphysema after an EMR for a sigmoid LST, which was successfully treated with medical treatment and endoscopic clipping.

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  • Asymptomatic sigmoid diverticulum perforation-induced subcutaneous, mediastinal, and retroperitoneal emphysema: A case report and literature review
    Daichi Setoguchi, Naoki Iwanaga, Kotaro Nema, Tomoya Hagiwara, Kotaro Hayashida, Koki Yamashita, Tatsuro Hirayama, Masataka Yoshida, Kazuaki Takeda, Shotaro Ide, Masato Tashiro, Takahiro Takazono, Masachika Kitajima, Noriho Sakamoto, Koichi Izumikawa, Kat
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    Sung Pil Choo, Ki Eun Seon, Jae Cheol Jung, Kyeong Deok Kim, Moon Suk Choi
    Journal of Acute Care Surgery.2025; 15(2): 86.     CrossRef
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    Maria Francesca Secchi, Carlo Torre, Giovanni Dui, Francesco Virdis, Mauro Podda
    Case Reports in Surgery.2018; 2018: 1.     CrossRef
  • Pneumoretroperitoneum, Pneumomediastinum, Pneumothorax, and Subcutaneous Emphysema after Diagnostic Colonoscopy
    Hee Sung Lee, Hwan Hee Park, Ju Seok Kim, Sun Hyung Kang, Hee Seok Moon, Jae Kyu Sung, Byung Seok Lee, Hyun Yong Jeong
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Editorials
Dose-Escalated Radiotherapy for the Treatment of Patients With Recurrent Colorectal Cancer
Hyung Jin Kim, Seong Taek Oh
Ann Coloproctol. 2016;32(2):47-48.   Published online April 30, 2016
DOI: https://doi.org/10.3393/ac.2016.32.2.47
  • 3,613 View
  • 30 Download
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Extralevator Abdominoperineal Resection in the Prone Position
Young Jin Kim
Ann Coloproctol. 2016;32(1):1-2.   Published online February 29, 2016
DOI: https://doi.org/10.3393/ac.2016.32.1.1
  • 4,043 View
  • 48 Download
  • 2 Web of Science
  • 1 Citations
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  • Extralevator abdominoperineal excision for advanced low rectal cancer: Where to go
    Yu Tao, Jia-Gang Han, Zhen-Jun Wang
    World Journal of Gastroenterology.2020; 26(22): 3012.     CrossRef
Surgical Treatment of Obstructed Left-Sided Colorectal Cancer Patients
Young Jin Kim
Ann Coloproctol. 2014;30(6):245-246.   Published online December 31, 2014
DOI: https://doi.org/10.3393/ac.2014.30.6.245
  • 4,374 View
  • 37 Download
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  • Acute obstructing left-sided colonic lesions: Role of preoperative endoscopic colonic stent insertion
    Wael Al-shelfa, MohamadS Marie, Ahmed Hashem, Shymaa Yahia, Salah Mansour, Salina Saddick, Amr Ibrahim
    Saudi Surgical Journal.2018; 6(1): 17.     CrossRef
Original Articles
Prompt Management Is Most Important for Colonic Perforation After Colonoscopy
Hyun-Ho Kim, Bong-Hyeon Kye, Hyung-Jin Kim, Hyeon-Min Cho
Ann Coloproctol. 2014;30(5):228-231.   Published online October 28, 2014
DOI: https://doi.org/10.3393/ac.2014.30.5.228
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  • 19 Web of Science
  • 15 Citations
AbstractAbstract PDF
Purpose

The incidence of complications after colonoscopy is very low. The complications after colonoscopy that are of clinical concern are bleeding and perforation. The present study was conducted to determine the clinical outcomes and the risk factors of a colostomy or a colectomy after colonoscopic colon perforation.

Methods

From March 2009 to December 2012, the records of all patients who were treated for colorectal perforation after colonoscopy were reviewed retrospectively. The following parameters were evaluated: age, sex, purpose of colonoscopy, management of the colonic perforation, and interval from colonoscopy to the diagnosis of a colonic perforation. A retrospective analysis was performed to determine the risk factors associated with major surgery for the treatment of a colon perforation after colonoscopy.

Results

A total 27 patients were included in the present study. The mean age was 62 years, and 16 were males. The purpose of colonoscopy was diagnostic in 18 patients. The most common perforation site was the sigmoid colon. Colonic perforation was diagnosed during colonoscopy in 14 patients, just after colonoscopy in 5 patients, and 24 hours or more after colonoscopy in 8 patients. For the treatment of colonic perforation, endoscopic clipping was performed in 3 patients, primary closure in 15 patients, colon resection in 2 patients, Hartmann's procedures in 4 patients, and diverting colostomy in 3 patients. If the diagnosis of perforation after colonoscopy was delayed for more than 24 hours, the need for major treatment was increased significantly.

Conclusion

Although a colonic perforation after colonoscopy is rare, if the morbidity and the mortality associated with the colonic perforation are to be reduced, prompt diagnosis and management are very important.

Citations

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  • Clinical outcomes and risk factors of post-polypectomy microperforation in patients with colorectal neoplasia: a case-control study
    Seung Yong Shin, Min Soo Cho, Jinhoon Nam, Jie-Hyun Kim, Young Hoon Yoon, Hyojin Park, Jeonghyun Kang, Jae Jun Park
    Therapeutic Advances in Gastrointestinal Endoscopy.2025;[Epub]     CrossRef
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    Nihat Gülaydın, Raim İliaz, Atakan Özkan, A Hande Gökçe, Hanifi Önalan, Berrin Önalan, Aziz Arı
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    Vanessa L. Woolhead, Jacqueline C. Whittemore, Sarah A. Stewart
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    Liang Li, Bing Xue, Chunxia Yang, Zhongbo Han, Hongqiang Xie, Meng Wang
    Journal of Laparoendoscopic & Advanced Surgical Techniques.2020; 30(11): 1153.     CrossRef
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    Carolyn R. Chew, Justin M. C. Yeung, Ian G. Faragher
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    Jose Luis Ulla-Rocha, Angel Salgado, Raquel Sardina, Raquel Souto, Raquel Sanchez-Santos, Juan Turnes
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    Zehui Wu, Huaping Xu, Yisheng Zhang, Lianghui Shi
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    Alexander T. Hawkins, Kenneth W. Sharp, Molly M. Ford, Roberta L. Muldoon, M. Benjamin Hopkins, Timothy M. Geiger
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    Nicola de’Angelis, Salomone Di Saverio, Osvaldo Chiara, Massimo Sartelli, Aleix Martínez-Pérez, Franca Patrizi, Dieter G. Weber, Luca Ansaloni, Walter Biffl, Offir Ben-Ishay, Miklosh Bala, Francesco Brunetti, Federica Gaiani, Solafah Abdalla, Aurelien Ami
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    Jae Ho Park, Kyung Jong Kim
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    Jayan George, Michael Peirson, Samuel Birks, Paul Skinner
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Effectiveness of Sodium Picosulfate/Magnesium Citrate (PICO) for Colonoscopy Preparation
Ki Hwan Song, Wu Seok Suh, Jin Sik Jeong, Dong Sik Kim, Sang Woo Kim, Dong Min Kwak, Jong Seong Hwang, Hyun Jin Kim, Man Woo Park, Min Chul Shim, Ja-Il Koo, Jae Hwang Kim, Dae Ho Shon
Ann Coloproctol. 2014;30(5):222-227.   Published online October 28, 2014
DOI: https://doi.org/10.3393/ac.2014.30.5.222
  • 9,064 View
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  • 10 Web of Science
  • 8 Citations
AbstractAbstract PDF
Purpose

Bowel preparation with sodium phosphate was recently prohibited by the U.S. Food and Drug Administration. Polyethylene glycol (PEG) is safe and effective; however, it is difficult to drink. To identify an easy bowel preparation method for colonoscopy, we evaluated three different bowel preparation regimens regarding their efficacy and patient satisfaction.

Methods

In this randomized, comparative study, 892 patients who visited a secondary referral hospital for a colonoscopy between November 2012 and February 2013 were enrolled. Three regimens were evaluated: three packets of sodium picosulfate/magnesium citrate (PICO, group A), two packets of PICO with 1 L of PEG (PICO + PEG 1 L, group B), and two packets of PICO with 2 L of PEG (PICO + PEG 2 L, group C). A questionnaire survey regarding the patients' preference for the bowel preparation regimen and satisfaction was conducted before the colonoscopies. The quality of bowel cleansing was scored by the colonoscopists who used the Aronchick scoring scale and the Ottawa scale.

Results

The patients' satisfaction rate regarding the regimens were 72% in group A, 64% in group B, and 45.9% in group C. Nausea and abdominal bloating caused by the regimens were more frequent in group C than in group A or group B (P < 0.01). Group C showed the lowest preference rate compared to the other groups (P < 0.01). Group C showed better right colon cleansing efficacy than group A or group B.

Conclusion

Group A exhibited a better result than group B or group C in patient satisfaction and preference. In the cleansing quality, no difference was noted between groups A and C.

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    Luana Alexandrescu, Ionut Eduard Iordache, Alina Mihaela Stanigut, Laura Maria Condur, Doina Ecaterina Tofolean, Razvan Catalin Popescu, Andreea Nelson Twakor, Eugen Dumitru, Andrei Dumitru, Cristina Tocia, Alexandra Herlo, Ionut Tiberiu Tofolean
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Comparison of Surgical Skills in Laparoscopic and Robotic Tasks Between Experienced Surgeons and Novices in Laparoscopic Surgery: An Experimental Study
Hye Jin Kim, Gyu-Seog Choi, Jun Seok Park, Soo Yeun Park
Ann Coloproctol. 2014;30(2):71-76.   Published online April 25, 2014
DOI: https://doi.org/10.3393/ac.2014.30.2.71
  • 6,015 View
  • 52 Download
  • 42 Web of Science
  • 39 Citations
AbstractAbstract PDF
Purpose

Robotic surgery is known to provide an improved technical ability as compared to laparoscopic surgery. We aimed to compare the efficiency of surgical skills by performing the same experimental tasks using both laparoscopic and robotic systems in an attempt to determine if a robotic system has an advantage over laparoscopic system.

Methods

Twenty participants without any robotic experience, 10 laparoscopic novices (LN: medical students) and 10 laparoscopically-experienced surgeons (LE: surgical trainees and fellows), performed 3 laparoscopic and robotic training-box-based tasks. This entire set of tasks was performed twice.

Results

Compared with LN, LEs showed significantly better performances in all laparoscopic tasks and in robotic task 3 during the 2 trials. Within the LN group, better performances were shown in all robotic tasks compared with the same laparoscopic tasks. However, in the LE group, compared with the same laparoscopic tasks, significantly better performance was seen only in robotic task 1. When we compared the 2 sets of trials, in the second trial, LN showed better performances in laparoscopic task 2 and robotic task 3; LE showed significantly better performance only in robotic task 3.

Conclusion

Robotic surgery had better performance than laparoscopic surgery in all tasks during the two trials. However, these results were more noticeable for LN. These results suggest that robotic surgery can be easily learned without laparoscopic experience because of its technical advantages. However, further experimental trials are needed to investigate the advantages of robotic surgery in more detail.

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    Martina Arcieri, Federico Paparcura, Cristina Giorgiutti, Cristina Taliento, Giorgio Bogani, Lorenza Driul, Pantaleo Greco, Alfredo Ercoli, Vito Chiantera, Francesco Fanfani, Anna Fagotti, Giovanni Scambia, Andrea Mariani, Stefano Restaino, Giuseppe Vizzi
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    A. Masie Rahimi, Sem F. Hardon, E. Willuth, F. Lang, Caelan M. Haney, Eleni A. Felinska, Karl-Friedrich Kowalewski, Beat P. Müller-Stich, Tim Horeman, F. Nickel, Freek Daams
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Editorial
The Role of Positron Emission Tomography/Computed Tomography in the Initial Staging of Colon Cancer
Hyung Jin Kim, Seong Taek Oh
Ann Coloproctol. 2014;30(1):3-4.   Published online February 28, 2014
DOI: https://doi.org/10.3393/ac.2014.30.1.3
  • 3,715 View
  • 34 Download
  • 1 Citations
PDF

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  • Total Lesion Glycolysis and Sequential 90Y-Selective Internal Radiation Therapy in Breast Cancer Liver Metastases: Preliminary Results
    Oreste Bagni, Luca Filippi, Giuseppe Pelle, Roberto Cianni, Orazio Schillaci
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Case Report
Giant Ascending Colonic Diverticulum Presenting With Intussusception
Ho Jin Kim, Jin Ha Kim, Ok In Moon, Kyung Jong Kim
Ann Coloproctol. 2013;29(5):209-212.   Published online October 31, 2013
DOI: https://doi.org/10.3393/ac.2013.29.5.209
  • 5,497 View
  • 55 Download
  • 10 Citations
AbstractAbstract PDF

Diverticular disease of the colon is a common disease, and its incidence is increasing gradually. A giant colonic diverticulum (GCD) is a rare entity and is defined as a diverticulum greater than 4 cm in size. It mainly arises from the sigmoid colon, and possible etiology is a ball-valve mechanism permitting progressive enlargement. A plain abdominal X-ray can be helpful to make a diagnosis initially, and a barium enema and abdominal computed tomography may confirm the diagnosis. Surgical intervention is a definite treatment for a GCD. We report a case of an ascending GCD presenting with intussusception in a young adult.

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    Douglas Greer, Adrian Fernandez
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    Habib Syed, Labib Syed, Umesh Parampalli, Mokhtar Uheba
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Editorials
Serum Carcinoembryonic Antigen for Recurrence in Colorectal Cancer Patients
Young Jin Kim
Ann Coloproctol. 2013;29(4):137-137.   Published online August 29, 2013
DOI: https://doi.org/10.3393/ac.2013.29.4.137
  • 3,470 View
  • 26 Download
PDF
Significance of Secreted Protein Acidic and Rich in Cysteine Expression in Colorectal Carcinoma
Young Jin Kim
Ann Coloproctol. 2013;29(3):87-88.   Published online June 30, 2013
DOI: https://doi.org/10.3393/ac.2013.29.3.87
  • 3,606 View
  • 29 Download
PDF
Review
Pelvic Exenteration: Surgical Approaches
Jin Kim
J Korean Soc Coloproctol. 2012;28(6):286-293.   Published online December 31, 2012
DOI: https://doi.org/10.3393/jksc.2012.28.6.286
  • 9,313 View
  • 164 Download
  • 16 Citations
AbstractAbstract PDF

Although the incidence of local recurrence after curative resection of rectal cancer has decreased due to the understanding of the anatomy of pelvic structures and the adoption of total mesorectal excision, local recurrence in the pelvis still remains a significant and troublesome complication. While surgery for recurrent rectal cancer may offer a chance for a cure, conservative management, including radiation and chemotherapy, remain widely accepted courses of treatment. Recent improvement in imaging modalities, perioperative care, and surgical techniques, including bone resection and wound coverage, have allowed for reductions in operative mortality, though postoperative morbidity still remains high. In this review, the techniques, including surgical approaches, employed for management of locally recurrent rectal cancer are highlighted.

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    A. Guha, S. Gandhi, S. Mynalli, A. Baheti, P. Haria, A. Choudhari, A. Desouza, A. Saklani, N.S. Shetty, S. Kulkarni
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    Andreas Denys, Sofie Thielemans, Rawand Salihi, Philippe Tummers, Gabrielle H. van Ramshorst
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    Vijayasarathy S, Nizamudheen M. Pareekutty, Satheesan Balasubramanian
    Indian Journal of Surgical Oncology.2024; 15(2): 420.     CrossRef
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    Thinh Nguyen Huu, Huy Tran Duc, Truc Thai Thanh, Vinh Pham Ngoc Truong, Viet Ung Van, An Le Trinh Ngoc, Kien Le Trung, Hung Tran Xuan, Bac Nguyen Hoang
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Case Report
Anal Myolipoma: A New Benign Entity in Patients with an Anal Tumor?
Tae Young Kang, Moo Ryang Huh, Su Jin Kim
J Korean Soc Coloproctol. 2012;28(4):219-221.   Published online August 31, 2012
DOI: https://doi.org/10.3393/jksc.2012.28.4.219
  • 4,766 View
  • 37 Download
  • 2 Citations
AbstractAbstract PDF

A myolipoma is an extremely rare benign neoplasm, occurring most frequently in adults in the deep soft tissue of the abdomen or retroperitoneum. We experienced a case of an anal myolipoma occurring in a 30-year-old woman, and it was surgically resected. To our knowledge, this is the first reported case of a myolipoma arising from the anus, so such a possibility needs to be considered in the differential diagnosis.

Citations

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  • Myolipoma of Soft Tissue
    Mana Fukushima, Inga-Marie Schaefer, Christopher D.M. Fletcher
    American Journal of Surgical Pathology.2017; 41(2): 153.     CrossRef
  • Interdomal-Columellar Myolipoma: Discovered at Rhinoplasty
    Valerio Finocchi, Edoardo Pellini, Gianluigi Longobardi, Angelo Trivisonno, Julio Faller, Damiano Tambasco
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Original Article
Clinical Significance of Serial Serum Carcinoembryonic Antigen Values for Treating Rectal Cancer with Preoperative Chemoradiotherapy
Young Jae Ryu, Chang Hyun Kim, Hun Jin Kim, Hyo Kang, Sang Woo Lim, Jung Wook Huh, Jae Kyun Ju, Young Jin Kim, Hyeong Rok Kim
J Korean Soc Coloproctol. 2012;28(4):205-212.   Published online August 31, 2012
DOI: https://doi.org/10.3393/jksc.2012.28.4.205
  • 5,372 View
  • 43 Download
  • 6 Citations
AbstractAbstract PDF
Purpose

Preoperative chemoradiotherapy is now widely accepted to treat rectal cancer; however, the prognosis for rectal cancer patients during and after chemoradiotherapy must be determined. The aim of this study was to evaluate the serial serum carcinoembryonic antigen (s-CEA) samples in patients with rectal cancer who underwent radical surgery after concurrent chemoradiotherapy (CRT).

Methods

This study evaluated 236 patients with rectal cancer who received preoperative CRT followed by curative surgery between June 2005 and June 2010. We measured the patient's s-CEA levels pre-CRT, post-CRT and post-surgery. Patients were classified into four groups according to their s-CEA concentrations (group 1, high, high, high; group 2, high, high, normal; group 3, high, normal, normal; group 4, normal, normal, normal). We analyzed the clinicopathologic factors and the outcomes among these groups.

Results

Of the 236 patients, 12 were in group 1, 31 were in group 2, 67 were in group 3, and 126 were in group 4. The 3-year disease-free survival rate in group 1 was poorer than those in group 3 (P = 0.007) and group 4 (P < 0.001). In a univariate analysis, type of surgery, clinical N stage, pathologic T or N stage, lymphovascular invasion, perineural invasion, and CEA group were prognostic factors. A multivariate analysis revealed that type of surgery, pathologic T stage, and lymphovascular invasion were independent prognostic factors; however, no statistical significance was associated with the CEA group.

Conclusion

High pre-CRT, post-CRT, and post-surgery s-CEA levels in patients with rectal cancer were associated with high rates of systemic recurrence and poor survival. Therefore, patients with sustained high s-CEA levels during CRT require careful monitoring after surgery.

Citations

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    Zerong Cai, Jian Xiao, Xiaosheng He, Jia Ke, Yifeng Zou, Yufeng Chen, Xianrui Wu, Xiaoling Li, Lei Wang, Jianping Wang, Ping Lan, Xiaojian Wu
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    Chiara Molinari, Federica Matteucci, Paola Caroli, Alessandro Passardi
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    YANTAO CAI, ZHENYANG LI, XIAODONG GU, YANTIAN FANG, JIANBIN XIANG, ZONGYOU CHEN
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Editorial
Risk Factors for Repeat Abdominal Surgery in Patients with Crohn's Disease
Young Jin Kim
J Korean Soc Coloproctol. 2012;28(4):175-175.   Published online August 31, 2012
DOI: https://doi.org/10.3393/jksc.2012.28.4.175
  • 3,382 View
  • 32 Download
PDF
Original Articles
Stromal-cell-derived Factor 1-α Promotes Tumor Progression in Colorectal Cancer
Se Jun Park, Tae Sung Ahn, Sung Woo Cho, Chang Jin Kim, Dong Jun Jung, Myung Won Son, Sang Ho Bae, Eung Jin Shin, Moon Soo Lee, Chang Ho Kim, Moo Jun Baek
J Korean Soc Coloproctol. 2012;28(1):27-34.   Published online February 29, 2012
DOI: https://doi.org/10.3393/jksc.2012.28.1.27
  • 4,714 View
  • 25 Download
  • 1 Citations
AbstractAbstract PDF
Purpose

Although stromal-cell-derived factor (SDF)-1α is suggested to be involved in tumorigenicity and tumor angiogenesis, the clinicopathological significance of its expression in colorectal cancers is not fully understood. We examined SDF-1α expression in colorectal cancers and investigated its relationship to clinicopathological features such as tumor staging, lymph-node metastasis, vascular invasion (VI), lymphatic invasion (LI) and neural invasion (NI).

Methods

Specimens of 83 primary colorectal cancers were examined immunohistochemically, and the relationships between clinicopathological features and SDF-1α expression were analyzed. To compare the expressions between the normal colon tissue and colorectal cancer tissues, we performed Western blot analyses.

Results

According to the Western blot analyses, SDF-1α was more highly expressed in colorectal carcinoma tissues than in normal colonic mucosa (20/21). According to the immunohistochemical stain, SDF-1α was associated with nodal status, distant metastasis, tumor staging, VI and LI. SDF-1α expression had a significant prognostic value for overall survival. Kaplan-Meier plots of survival in patients with high SDF-1α showed that high SDF-1α expression was associated with a shorter overall survival. However, no association was found between SDF-1α expression and other pathologic or clinical variables, including age, gender, degree of differentiation, and presence of perineural invasion.

Conclusion

The expression of SDF-1α might be associated with tumor progression in colorectal cancer. Inhibition of SDF-1α could be a therapeutic option in colorectal cancer patients.

Citations

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  • Human CD133-positive hematopoietic progenitor cells initiate growth and metastasis of colorectal cancer cells
    Chao Zhang, Chang Zhou, Xiao-Jin Wu, Min Yang, Zhao-hui Yang, Han-zhen Xiong, Chun-ping Zhou, Yan-xia Lu, Yuan Li, Xue-nong Li
    Carcinogenesis.2014; 35(12): 2771.     CrossRef
Delorme's Procedure for Complete Rectal Prolapse: Does It Still Have It's Own Role?
Sooho Lee, Bong-Hyeon Kye, Hyung-Jin Kim, Hyeon-Min Cho, Jun-Gi Kim
J Korean Soc Coloproctol. 2012;28(1):13-18.   Published online February 29, 2012
DOI: https://doi.org/10.3393/jksc.2012.28.1.13
  • 12,439 View
  • 41 Download
  • 8 Citations
AbstractAbstract PDF
Purpose

Although there are more than a hundred techniques, including the transabdominal and the perineal approaches, for the repair of the rectal prolapsed, none of them is perfect. The best repair should be chosen not only to correct the prolapse but also to restore defecatory function and to improve fecal incontinence throughout the patient's lifetime. The aim of this retrospective review is to evaluate clinical outcomes of the Delorme's procedure for the management of the complete rectal prolapse.

Methods

A total of 19 patients (13 females and 6 males) with complete rectal prolapses were treated by using the Delorme's procedure in St. Vincent's Hospital, The Catholic University of Korea, from February 1997 to February 2007. Postoperative anal incontinence was evaluated using the Cleveland Clinic Incontinence Score.

Results

All 19 patients had incontinence to liquid stool, solid stool, and/or flatus preoperatively. Three (15.8%) patients reported recurrence of the rectal prolapse (at 6, 18, 29 months, respectively, after the operation). Information on postoperative incontinence was available for 16 of the 19 patients. Twelve of the 16 patients (75%) reported improved continence (5 [31.3%] were improved and 7 [43.7%] completely recovered from incontinence) while 4 patients had unchanged incontinence symptoms. One (6.3%) patient who did not have constipation preoperatively developed constipation after the operation.

Conclusion

The Delorme's procedure is associated with a marked improvement in anal continence, relatively low recurrence rates, and low incidence of postoperative constipation. This allows us to conclude that this procedure still has its own role in selected patients.

Citations

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    Shantikumar Dhondiram Chivate, Meghana Vinay Chougule, Rahul Shantikumar Chivate, Palak Harshuk Thakrar
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    Emanuel Cavazzoni, Emanuele Rosati, Valentina Zavagno, Luigina Graziosi, Annibale Donini
    International Journal of Surgery.2015; 14: 45.     CrossRef
Single-incision Laparoscopic Surgery for Appendiceal Mucoceles: Safety and Feasibility in a Series of 16 Consecutive Cases
Ki Bum Park, Jun Seok Park, Gyu-Seog Choi, Hye Jin Kim, Soo Yeun Park, Jong Pil Ryuk, Won Ho Choi, You Seok Jang
J Korean Soc Coloproctol. 2011;27(6):287-292.   Published online December 31, 2011
DOI: https://doi.org/10.3393/jksc.2011.27.6.287
  • 7,572 View
  • 34 Download
  • 16 Citations
AbstractAbstract PDF
Purpose

The aim of this study was to evaluate the technical feasibility, safety, and oncological outcomes of transumbilical single-incision laparoscopic surgery in patients with an uncomplicated appendiceal mucocele.

Methods

A review of a prospectively collected database at the Kyungpook National University Hospital from January 2006 to September 2010 revealed that a series of 16 consecutive patients underwent single-incision laparoscopic surgery (SILS) for an appendiceal mucocele. Data regarding patient demographics, operating time, conversion, surgical morbidity, lateral lymph node status, and mid-term oncologic result were analyzed.

Results

The reported series consisted of 7 women (50%) and 9 men with a mean age of 61.6 years (range, 41 to 88 years). The mean operative time was 66.8 minutes (range, 33 to 150 minutes). Perioperative mortality and morbidity were 0% and 6.2%, respectively. Recovery after the procedure was rapid, and the mean hospital stay was 6.8 days (range, 3 to 22 days). Pathology revealed 12 lesions compatible with a mucinous cystadenoma and four others compatible with benign cystic tumors. All surgical margins were clear. In one case, an extra port had to be placed, and another case required conversion from SILS to a standard open laparotomy immediately after identification of the tumor because of a micro-perforation with focal mucin collection. With a median follow-up of 28.7 months, no re-admission or tumor recurrence, such as pseudomyxoma peritonei, was noted in 14 patients.

Conclusion

A single-port laparoscopic mucocelectomy should be safe and feasible and has the advantage of being a minimally invasive approach. Prospective controlled studies comparing SILS and conventional open surgery, with long-term follow-up evaluation, are needed to confirm the author's initial experience.

Citations

Citations to this article as recorded by  
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