Annals of Coloproctology

Original Article

Colonoscopy

Analysis of adenoma detection rate of colonoscopy among trainees: Young Min Song, Kyung Su Han, Byung Chang Kim, Chang Won Hong, Bun Kim, Min Chul Kim, Myeong Jae Jin, Dae Kyung Sohn; Ann Coloproctol. 2024;40(6):548-554. Published online August 28, 2024; DOI: https://doi.org/10.3393/ac.2023.00199.0028

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Abstract PDF Supplementary Material: Purpose
To analyze adenoma detection rate (ADR) and related quality indicators of colonoscopy among trainees and make recommendations for appropriate colonoscopy training.
Methods
ADR and related indicators of colonoscopies performed by 3 trainees and 5 colonoscopy experts between March and November 2022 were analyzed. These indicators were analyzed in both the entire patients and the screening/surveillance group. In addition, the training period of the 3 trainees was divided into 3 sections, and the changes in these indicators were examined.
Results
The mean ADR of the 3 trainees was 50.6%. In the screening/surveillance group, the mean ADR of the 3 trainees was 51.8%, showing no significant difference from the experts' ADR (53.4%). When the training period was divided into 3 sections and analyzed in the screening/surveillance group, the mean ADR of the trainees gradually increased to 49.4%, 52.6%, and 53.6%, respectively; however, the difference was insignificant. Analyzing each trainee’s ADR, there was a significant difference among the 3 trainees (58.5% vs. 44.7% vs. 50.2%, P=0.008). However, in the third section of the training period, the 3 trainees’ ADRs were 53.0%, 49.2%, and 57.3%, respectively, showing no significant difference (P=0.606).
Conclusion
In the early stages of training, the ADR was higher than recommended; however, there were variances in ADR between individuals. As the training period passed, the ADR became similar at the expert level, whereas the difference in ADR between trainees decreased. Therefore, efforts to increase ADR should be made actively from the beginning of training and continued during the training period.

Guideline

Colorectal cancer

Colon cancer: the 2023 Korean clinical practice guidelines for diagnosis and treatment: Hyo Seon Ryu, Hyun Jung Kim, Woong Bae Ji, Byung Chang Kim, Ji Hun Kim, Sung Kyung Moon, Sung Il Kang, Han Deok Kwak, Eun Sun Kim, Chang Hyun Kim, Tae Hyung Kim, Gyoung Tae Noh, Byung-Soo Park, Hyeung-Min Park, Jeong Mo Bae, Jung Hoon Bae, Ni Eun Seo, Chang Hoon Song, Mi Sun Ahn, Jae Seon Eo, Young Chul Yoon, Joon-Kee Yoon, Kyung Ha Lee, Kyung Hee Lee, Kil-Yong Lee, Myung Su Lee, Sung Hak Lee, Jong Min Lee, Ji Eun Lee, Han Hee Lee, Myong Hoon Ihn, Je-Ho Jang, Sun Kyung Jeon, Kum Ju Chae, Jin-Ho Choi, Dae Hee Pyo, Gi Won Ha, Kyung Su Han, Young Ki Hong, Chang Won Hong, Jung-Myun Kwak, Korean Colon Cancer Multidisciplinary Committee; Ann Coloproctol. 2024;40(2):89-113. Published online April 30, 2024; DOI: https://doi.org/10.3393/ac.2024.00059.0008

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Abstract PDF Supplementary Material

Colorectal cancer is the third most common cancer in Korea and the third leading cause of death from cancer. Treatment outcomes for colon cancer are steadily improving due to national health screening programs with advances in diagnostic methods, surgical techniques, and therapeutic agents.. The Korea Colon Cancer Multidisciplinary (KCCM) Committee intends to provide professionals who treat colon cancer with the most up-to-date, evidence-based practice guidelines to improve outcomes and help them make decisions that reflect their patients’ values and preferences. These guidelines have been established by consensus reached by the KCCM Guideline Committee based on a systematic literature review and evidence synthesis and by considering the national health insurance system in real clinical practice settings. Each recommendation is presented with a recommendation strength and level of evidence based on the consensus of the committee.

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Optimal extent of lymph node dissection in clinical early-stage right colon cancer: a retrospective analysis
Hyeung-min Park, Jaram Lee, Soo Young Lee, Suk Hee Heo, Yong Yeon Jeong, Hyeong Rok Kim, Chang Hyun Kim
Annals of Surgical Treatment and Research.2025; 108(1): 49. CrossRef
Effects of Microsatellite Instability on the Clinical and Pathological Characteristics of Colon Cancer and the Diagnostic Accuracy of Preoperative Abdominal CT Scans
Rıdvan Yavuz, Orhan Aras, Hüseyin Çiyiltepe, Onur İlkay Dinçer, Ahmet Şükrü Alparslan, Tebessüm Çakır
Diagnostics.2025; 15(2): 190. CrossRef
Epigenetic Regulation of Nuclear Factor Erythroid-2-Related Factor 2 in Colorectal Cancer Cells Resistant to Ionizing Radiation
Kyoung Ah Kang, Jinny Park, Mei Jing Piao, Pincha Devage Sameera Madushan Fernando, Herath Mudiyanselage Udari Lakmini Herath, Herath Mudiyanselage Maheshika Madhuwanthi Senavirathna, Jung-Hwan Kim, Suk Ju Cho, Jin Won Hyun
Biomolecules & Therapeutics.2025; 33(1): 182. CrossRef
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Eun Jung Park
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The Diagnostic Value of Virtual Colonoscopy in Colonic Diseases
İhsaniye Süer Doğan, Esin Çakmakçı Midia, Yıldıran Songür, Baki Hekimoğlu
Turkish Journal of Clinics and Laboratory.2025; 16(1): 27. CrossRef
2023 Korean Multidisciplinary Guidelines for Colon Cancer Management: Summary of Radiological Points
Nieun Seo, Hyo Seon Ryu, Myungsu Lee, Sun Kyung Jeon, Kum Ju Chae, Joon-Kee Yoon, Kyung Su Han, Ji Eun Lee, Jae Seon Eo, Young Chul Yoon, Sung Kyung Moon, Hyun Jung Kim, Jung-Myun Kwak
Korean Journal of Radiology.2024; 25(9): 769. CrossRef
Effect of Fluorescence Lymph Node Mapping on Improving Diagnostic Values of CT D3 Lymph Node Staging for Right-Sided Colon Cancer
Gyung Mo Son, Tae Un Kim, Mi Sook Yun, ChangYeop Kim, In Young Lee, Su Bum Park, Dong-Hoon Shin, Gi Won Ha
Cancers.2024; 16(20): 3496. CrossRef
Nuclear medicine based multimodal molecular imaging facilitates precision medicine for gastrointestinal tumors
Jing Zhao, Fei Wang, Rong-Fu Wang
World Chinese Journal of Digestology.2024; 32(10): 727. CrossRef
Impact of Early Oral Feeding on Postoperative Outcomes after Elective Colorectal Surgery: A Systematic Review and Meta-Analysis
Soo Young Lee, Eon Chul Han
Digestive Surgery.2024; : 1. CrossRef

Original Articles

Colorectal cancer

Long-term clinical outcomes after high and low ligations with lymph node dissection around the root of the inferior mesenteric artery in patients with rectal cancer: Min Wan Lee, Sung Sil Park, Kiho You, Dong Eun Lee, Dong Woon Lee, Sung Chan Park, Kyung Su Han, Dae Kyung Sohn, Chang Won Hong, Bun Kim, Byung Chang Kim, Hee Jin Chang, Dae Yong Kim, Jae Hwan Oh; Ann Coloproctol. 2024;40(1):62-73. Published online February 26, 2024; DOI: https://doi.org/10.3393/ac.2023.00094.0013

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Graphical Abstract Abstract PDF

Purpose
This study aimed to evaluate the long-term clinical outcomes based on the ligation level of the inferior mesenteric artery (IMA) in patients with rectal cancer.
Methods
This was a retrospective analysis of a prospectively collected database that included all patients who underwent elective low anterior resection for rectal cancer between January 2013 and December 2019. The clinical outcomes included oncological outcomes, postoperative complications, and functional outcomes. The oncological outcomes included overall survival (OS) and relapse-free survival (RFS). The functional outcomes, including defecatory and urogenital functions, were analyzed using the Fecal Incontinence Severity Index, International Prostate Symptom Score, and International Index of Erectile Function questionnaires.
Results
In total, 545 patients were included in the analysis. Of these, 244 patients underwent high ligation (HL), whereas 301 underwent low ligation (LL). The tumor size was larger in the HL group than in the LL group. The number of harvested lymph nodes (LNs) was higher in the HL group than in the LL group. There were no significant differences in complication rates and recurrence patterns between the groups. There were no significant differences in 5-year RFS and OS between the groups. Cox regression analysis revealed that the ligation level (HL vs. LL) was not a significant risk factor for oncological outcomes. Regarding functional outcomes, the LL group showed a significant recovery in defecatory function 1 year postoperatively compared with the HL group.
Conclusion
LL with LNs dissection around the root of the IMA might not affect the oncologic outcomes comparing to HL; however, it has minimal benefit for defecatory function.

Citations

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Meeting report on the 8th Asian Science Editors’ Conference and Workshop 2024
Eun Jung Park
Science Editing.2025; 12(1): 66. CrossRef
Early detection of anastomotic leakage in colon cancer surgery: the role of early warning score and C-reactive protein
Gyung Mo Son
Annals of Coloproctology.2024; 40(5): 415. CrossRef

Translational/basic research

Exfoliate cancer cell analysis in rectal cancer surgery: comparison of laparoscopic and transanal total mesorectal excision, a pilot study: Kiho You, Jung-Ah Hwang, Dae Kyung Sohn, Dong Woon Lee, Sung Sil Park, Kyung Su Han, Chang Won Hong, Bun Kim, Byung Chang Kim, Sung Chan Park, Jae Hwan Oh; Ann Coloproctol. 2023;39(6):502-512. Published online December 26, 2023; DOI: https://doi.org/10.3393/ac.2023.00479.0068

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Graphical Abstract Abstract PDF Supplementary Material: Purpose
Minimally invasive surgery (MIS) is currently the standard treatment for rectal cancer. However, its limitations include complications and incomplete total mesorectal resection (TME) due to anatomical features and technical difficulties. Transanal TME (TaTME) has been practiced since 2010 to improve this, but there is a risk of local recurrence and intra-abdominal contamination. We aimed to analyze samples obtained through lavage to compare laparoscopic TME (LapTME) and TaTME.
Methods
From June 2020 to January 2021, 20 patients with rectal cancer undergoing MIS were consecutively and prospectively recruited. Samples were collected at the start of surgery, immediately after TME, and after irrigation. The samples were analyzed for carcinoembryonic antigen (CEA) and cytokeratin 20 (CK20) through a quantitative real-time polymerase chain reaction. The primary outcome was to compare the detected amounts of CEA and CK20 immediately after TME between the surgical methods.
Results
Among the 20 patients, 13 underwent LapTME and 7 underwent TaTME. Tumor location was lower in TaTME (7.3 cm vs. 4.6 cm, P=0.012), and negative mesorectal fascia (MRF) was more in LapTME (76.9% vs. 28.6%, P=0.044). CEA and CK20 levels were high in 3 patients (42.9%) only in TaTME. There was 1 case of T4 with incomplete purse-string suture and 1 case of positive MRF with dissection failure. All patients were followed up for an average of 32.5 months without local recurrence.
Conclusion
CEA and CK20 levels were high only in TaTME and were related to tumor factors or intraoperative events. However, whether the detection amount is clinically related to local recurrence remains unclear.

Colorectal cancer

Stratification of rate of lymph node metastasis according to risk factors and oncologic outcomes in patients who underwent radical resection for rectal neuroendocrine tumors: Myung Jae Jin, Sung Sil Park, Dong-Eun Lee, Sung Chan Park, Dong Woon Lee, Kiho You, Hee Jin Chang, Chang Won Hong, Dae Kyung Sohn, Kyung Su Han, Bun Kim, Byung Chang Kim, Jae Hwan Oh; Ann Coloproctol. 2023;39(6):467-473. Published online April 28, 2023; DOI: https://doi.org/10.3393/ac.2022.00913.0130

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Abstract PDF Supplementary Material

Purpose
Most predictive factors for lymph node metastasis in rectal neuroendocrine tumors (NETs) have been based on local and endoscopic resection. We aimed to evaluate the risk factors for lymph node metastasis in patients who underwent radical resection for rectal NETs and stratify the risk of lymph node metastasis.
Methods
Sixty-four patients who underwent radical resection for rectal NETs between January 2001 and January 2018 were included. We investigated the risk factors of lymph node metastasis using clinicopathologic data. We also performed a risk stratification for lymph node metastases using the number of previously known risk factors. For oncologic outcomes, the 5-year overall survival and recurrence-free survival were evaluated in both groups.
Results
Among the patients who underwent radical surgery, 32 (50.0%) had lymph node metastasis and 32 (50.0%) had non–lymph node metastasis. In the multivariable analysis, only the male sex was identified as a risk factor for lymph node metastasis (odds ratio, 3.695; 95% confidence interval, 1.128–12.105; P=0.031). When there were 2 or more known risk factors, the lymph node metastasis rate was significantly higher than when there were one or no risk factors (odds ratio, 3.667; 95% confidence interval, 1.023–13.143; P=0.046). There was also no statistical difference between the 2 groups in 5-year overall survival (P=0.431) and 5-year recurrence-free survival (P=0.144).
Conclusion
We found that the rate of lymph node metastasis increased significantly when the number of known risk factors is 2 or more.

Citations

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Lateral pelvic lymph nodes dissection of rectal neuroendocrine neoplasms: A prospective case-series and literature review
Yueyang Zhang, Yi Yang, Changyuan Gao, Hong Zhao, Haitao Zhou
Surgery.2024; 176(5): 1360. CrossRef

Benign GI diease,Benign diesease & IBD,Complication,Surgical technique

Efficacy and Safety of Endoscopic Clipping for Acute Anastomotic Bleeding After Colorectal Surgery: Ryun Kyong Ha, Kyung Su Han, Sung Sil Park, Dae Kyung Sohn, Chang Won Hong, Byung Chang Kim, Bun Kim; Ann Coloproctol. 2022;38(3):262-265. Published online October 26, 2021; DOI: https://doi.org/10.3393/ac.2021.00297.0042

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Abstract PDF

Purpose
Anastomotic bleeding after colorectal surgery is a rare, mostly self-limiting, postoperative complication that could lead to a life-threatening condition. Therefore, prompt management is required. This study aimed to evaluate the efficacy and safety of endoscopic clipping for acute anastomotic bleeding after colorectal surgery.
Methods
We retrospectively reviewed the data of patients pathologically diagnosed with colorectal cancer at National Cancer Center, Korea from January 2018 to November 2020, which presented with anastomotic bleeding within the first postoperative week and were endoscopically managed with clips.
Results
Nine patients had anastomotic bleeding, underwent endoscopic management, and, therefore, were included in this study. All patients underwent laparoscopic (low/ultralow) anterior resection with mechanical double-stapled anastomosis. Anastomotic bleeding was successfully managed through a colonoscopy with clips on the first trial in all patients. Hypovolemic shock occurred in one patient, following anastomotic breakdown.
Conclusion
Endoscopic clipping seems to be an effective and safe treatment for anastomotic bleeding with minimal physiologic stress, easy accessibility, and scarce postoperative complications. However, a surgical backup should always be considered for massive bleeding.

Citations

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Post-Surgical Imaging Assessment in Rectal Cancer: Normal Findings and Complications
Federica De Muzio, Roberta Fusco, Carmen Cutolo, Giuliana Giacobbe, Federico Bruno, Pierpaolo Palumbo, Ginevra Danti, Giulia Grazzini, Federica Flammia, Alessandra Borgheresi, Andrea Agostini, Francesca Grassi, Andrea Giovagnoni, Vittorio Miele, Antonio B
Journal of Clinical Medicine.2023; 12(4): 1489. CrossRef
Preventing Anastomotic Leakage, a Devastating Complication of Colorectal Surgery
Hyun Gu Lee
The Ewha Medical Journal.2023;[Epub] CrossRef

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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Abstract 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.

Citations

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Factors Affecting the Quality of Bowel Preparation Before Colonoscopy in Outpatient: A Prospective Observational Study
Shi Jun-li, Wang Lei, Ying Chun-ying, Fu Xin-zi, Li Bing-qing
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Monica Passi, Farial Rahman, Christopher Koh, Sheila Kumar
Endoscopy International Open.2022; 10(04): E311. CrossRef
Risk Factors for Suboptimal Bowel Preparation for Colonoscopy in Pediatric Patients
Pooja Reddy, Ali Mencin, Benjamin Lebwohl
Journal of Pediatric Gastroenterology and Nutrition.2021;[Epub] CrossRef
Risk Factors of Inadequate Bowel Preparation for Screening Colonoscopy
Efrat L. Amitay, Tobias Niedermaier, Anton Gies, Michael Hoffmeister, Hermann Brenner
Journal of Clinical Medicine.2021; 10(12): 2740. CrossRef
Novel sulfate tablet PBK‐1701TC versus oral sulfate solution for colon cleansing: A randomized phase 3 trial
Hyo‐Joon Yang, Dong Il Park, Soo‐Kyung Park, Chang Kyun Lee, Hyo Jong Kim, Shin Ju Oh, Jung Rock Moon, Beom Jae Lee, Jin Sung Koh, Hyun Soo Kim, Seon‐Young Park, Dong Hyun Kim, Jaeyoung Chun, Eun Ae Kang, Jung Kim, Hosim Soh, Chang Soo Eun, You Sun Kim, Y
Journal of Gastroenterology and Hepatology.2020; 35(1): 29. CrossRef
A Randomized Trial of Split Dose 3 L Polyethylene Glycol Lavage Solution, 2 L Polyethylene Glycol Lavage Combined With Castor Oil, and 1 L of Polyethylene Glycol Lavage Solution Combined With Castor Oil and Ascorbic Acid for Preparation for Colonoscopy
Xu Tian, Bing Shi, Xiao-Ling Liu, Hui Chen, Wei-Qing Chen
Frontiers in Medicine.2019;[Epub] CrossRef

Preoperative Tattooing Using Indocyanine Green in Laparoscopic Colorectal Surgery: Sang Jae Lee, Dae Kyung Sohn, Kyung Su Han, Byung Chang Kim, Chang Won Hong, Sung Chan Park, Min Jung Kim, Byung Kwan Park, Jae Hwan Oh; Ann Coloproctol. 2018;34(4):206-211. Published online July 26, 2018; DOI: https://doi.org/10.3393/ac.2017.09.25

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Abstract PDF

Purpose
The aim of the present study was to evaluate the usefulness of indocyanine green (ICG) as a preoperative marking dye for laparoscopic colorectal surgery.
Methods
Between March 2013 and March 2015, 174 patients underwent preoperative colonoscopic tattooing using 1.0 to 1.5 mL of ICG and saline solution before laparoscopic colorectal surgery. Patients’ medical records and operation videos were retrospectively assessed to evaluate the visibility, duration, and adverse effects of tattooing.
Results
The mean age of the patients was 65 years (range, 34–82 years), and 63.2% of the patients were male. The median interval between tattooing and operation was 1.0 day (range, 0–14 days). Tattoos placed within 2 days of surgery were visualized intraoperatively more frequently than those placed at an earlier date (95% vs. 40%, respectively, P < 0.001). For tattoos placed within 2 days before surgery, the visualization rates by tattoo site were 98.6% (134 of 136) from the ascending colon to the sigmoid colon. The visualization rates at the rectosigmoid colon and rectum were 84% (21 of 25) and 81.3% (13 of 16), respectively (P < 0.001). No complications related to preoperative ICG tattooing occurred.
Conclusion
Endoscopic ICG tattooing is more useful for the preoperative localization of colonic lesions than it is for rectal lesions and should be performed within 2 days before laparoscopic surgery.

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Accuracy evaluation of preoperative indocyanine green tattooing and intraoperative colonoscopy in determining surgical resection margins for left-sided colorectal cancer: a retrospective study in Korea
Byung-Soo Park, Sung Hwan Cho, Gyung Mo Son, Hyun Sung Kim, Jin Ook Jang, Dae Gon Ryu, Su Jin Kim, Su Bum Park, Hyung Wook Kim
Journal of Minimally Invasive Surgery.2025; 28(1): 19. CrossRef
Indocyanine Green Tattooing During Colonoscopy as a Guide to Laparoscopic Colorectal Cancer Surgery: A Literature Review
Marzia Varanese, Stefano Arcieri, Augusto Lauro, Cristina Panetta, Chiara Eberspacher, Rossella Palma, Domenico Mascagni, Stefano Pontone
Surgical Innovation.2024; 31(1): 103. CrossRef
Indocyanine-coated fluorescent clips for localization of gastrointestinal tumors
Kyonglin Park, Hongrae Kim, Hyoung-Jun Kim, Yongdoo Choi, Sung-Jae Park, Jae-Suk Park, Min-Kyu Choi, Dae Kyung Sohn
Journal of Innovative Medical Technology.2024; 2(1): 20. CrossRef
Preoperative localization of potentially invisible colonic lesions on the laparoscopic operation field: using autologous blood tattooing
Ji Yeon Mun, Hyunjoon An, Ri Na Yoo, Hyeon-Min Cho, Bong-Hyeon Kye
Annals of Coloproctology.2024; 40(3): 225. CrossRef
A Green Lantern for the Surgeon: A Review on the Use of Indocyanine Green (ICG) in Minimally Invasive Surgery
Pietro Fransvea, Michelangelo Miccini, Fabio Rondelli, Giuseppe Brisinda, Alessandro Costa, Giovanni Maria Garbarino, Gianluca Costa
Journal of Clinical Medicine.2024; 13(16): 4895. CrossRef
Indocyanine Green Fluorescence Guided Surgery in Colorectal Surgery
Zoe Garoufalia, Steven D. Wexner
Journal of Clinical Medicine.2023; 12(2): 494. CrossRef
Preoperative tumor marking with indocyanine green (ICG) prior to minimally invasive colorectal cancer: a systematic review of current literature
Michael K. Konstantinidis, Argyrios Ioannidis, Panteleimon Vassiliu, Nikolaos Arkadopoulos, Ioannis S. Papanikolaou, Konstantinos Stavridis, Gaetano Gallo, Dimitrios Karagiannis, Manish Chand, Steven D. Wexner, Konstantinos Konstantinidis
Frontiers in Surgery.2023;[Epub] CrossRef
Assessment of Autologous Blood marker localIzation and intraoperative coLonoscopy localIzation in laparoscopic colorecTal cancer surgery (ABILITY): a randomized controlled trial
Ke-hui Zhang, Jing-ze Li, Hai-bin Zhang, Ren-hao Hu, Xi-mao Cui, Tao Du, Liang Zheng, Shun Zhang, Chun Song, Mei-dong Xu, Xiao-hua Jiang
BMC Cancer.2023;[Epub] CrossRef
Indocyanine Green tattooing for marking the caudal excision margin of a full-thickness vaginal endometriotic nodule
S Khazali, B Mondelli, K Fleischer, M Adamczyk
Facts, Views and Vision in ObGyn.2023; 15(1): 89. CrossRef
Indocyanine green dye and its application in gastrointestinal surgery: The future is bright green
Zavier Yongxuan Lim, Swetha Mohan, Sunder Balasubramaniam, Saleem Ahmed, Caroline Ching Hsia Siew, Vishal G Shelat
World Journal of Gastrointestinal Surgery.2023; 15(9): 1841. CrossRef
Tumor Segmentation in Colorectal Ultrasound Images Using an Ensemble Transfer Learning Model: Towards Intra-Operative Margin Assessment
Freija Geldof, Constantijn W. A. Pruijssers, Lynn-Jade S. Jong, Dinusha Veluponnar, Theo J. M. Ruers, Behdad Dashtbozorg
Diagnostics.2023; 13(23): 3595. CrossRef
Fluorescence Imaging in Colorectal Surgery: An Updated Review and Future Trends
Paulina Daniluk, Natalia Mazur, Maciej Swierblewski, Manish Chand, Michele Diana, Karol Polom
Surgical Innovation.2022; 29(4): 479. CrossRef
Promising Novel Technique for Tumor Localization in Laparoscopic Colorectal Surgery Using Indocyanine Green-Coated Endoscopic Clips
Dong Woon Lee, Dae Kyung Sohn, Kyung Su Han, Chang Won Hong, Hyoung Chul Park, Jae Hwan Oh
Diseases of the Colon & Rectum.2021; 64(1): e9. CrossRef
Digital dynamic discrimination of primary colorectal cancer using systemic indocyanine green with near-infrared endoscopy
Jeffrey Dalli, Eamon Loughman, Niall Hardy, Anwesha Sarkar, Mohammad Faraz Khan, Haseeb A. Khokhar, Paul Huxel, Donal F. O’Shea, Ronan A. Cahill
Scientific Reports.2021;[Epub] CrossRef
Endoscopic Preoperative Tattooing and Marking in the Gastrointestinal Tract: A Systematic Review of Alternative Methods
Manuel Barberio, Margherita Pizzicannella, Giovanni Guglielmo Laracca, Mahdi Al-Taher, Andrea Spota, Jacques Marescaux, Eric Felli, Michele Diana
Journal of Laparoendoscopic & Advanced Surgical Techniques.2020; 30(9): 953. CrossRef
The Usefulness of Preoperative Colonoscopic Tattooing with Autologous Blood for Localization in Laparoscopic Colorectal Surgery
Ui Do Yeo, Nak Song Sung, Seung Jae Roh, Won Jun Choi, Kyung Ho Song, In Seok Choi, Dae Sung Yoon, Sang Eok Lee, Ju Ik Moon, Seong Uk Kwon, In Eui Bae, Seung Jae Lee
The Journal of Minimally Invasive Surgery.2020; 23(3): 114. CrossRef
Preoperative Colonoscopic Tattooing Using a Direct Injection Method with Indocyanine Green for Localization of Colorectal Tumors: An Efficacy and Safety Comparison Study
Young Jin Kim, Ji Won Park, Han-Ki Lim, Yoon-Hye Kwon, Min Jung Kim, Eun Kyung Choe, Sang Hui Moon, Seung-Bum Ryoo, Seung-Yong Jeong, Kyu Joo Park
The Journal of Minimally Invasive Surgery.2020; 23(4): 186. CrossRef
Robotic excision of a colonic neoplasm with ICG as a tumor localizer and colonoscopic assistance
S. Atallah, A. Oldham, A. Kondek, S. Larach
Techniques in Coloproctology.2019; 23(6): 573. CrossRef

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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Abstract 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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Age and Sex Adenoma Detection Rates in Colonoscopy and Optimization of Screening Age: A Retrospective Analysis
Burak Sakar, Osman Zekai Oner, Ali Celik, Omer Celik, Turan Can Yıldız, Ugur Dogan, Onur Ilkay Dincer
Journal of Laparoendoscopic & Advanced Surgical Techniques.2025;[Epub] CrossRef
Evaluating the Efficacy of Resect-and-Discard and Resect-and-Retrieve Strategies for Diminutive Colonic Polyps
Andrei Lucian Groza, Bogdan Miutescu, Cristian Tefas, Alexandru Popa, Iulia Ratiu, Roxana Sirli, Alina Popescu, Alexandru Catalin Motofelea, Marcel Tantau
Life.2024; 14(4): 532. CrossRef
Split doses versus whole dose bowel preparation using polyethylene glycol for colonoscopy: A multicentric prospective Lebanese randomized trial between 2021 and 2023
Blaybel Sara, Hammoud Ghinwa, Mourda Layla, Hallal Mahmoud, Khalil Ali, Mckey Remy
Health Science Reports.2024;[Epub] CrossRef
Overall Polyp Detection Rate as a Surrogate Measure for Screening Efficacy Independent of Histopathology: Evidence from National Endoscopy Database
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Case Report

Mucosa-Associated Lymphoid-Tissue Lymphoma of the Cecum and Rectum: A Case Report: Myung Jin Nam, Byung Chang Kim, Sung Chan Park, Chang Won Hong, Kyung Su Han, Dae Kyung Sohn, Weon Seo Park, Hee Jin Chang, Jae Hwan Oh; Ann Coloproctol. 2017;33(1):35-38. Published online February 28, 2017; DOI: https://doi.org/10.3393/ac.2017.33.1.35

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Abstract PDF

A colonic mucosa-associated lymphoid-tissue (MALT) lymphoma is relatively rare compared to lymphomas of the stomach or small intestine. We present a case of a MALT lymphoma in the cecum and rectum found during screening colonoscopy. A 54-year-old female, who had undergone right-breast-conserving surgery with axillary dissection due to an invasive ductal carcinoma and a left-breast excisional biopsy due to microcalcification following adjuvant chemoradiation therapy 3 years earlier, was found to have 3-mm-sized smooth elevated lesions in both the cecum and rectum. No pathologic lesion or lymphadenopathy was found at any other site, but chronic gastritis negative for Helicobacter pylori infection was found. The polyps were removed by using an endoscopic biopsy and revealed an extra nodal marginal zone B-cell MALT lymphoma, showing positive for CD3 and CD20 by immunohistochemical staining. The patient underwent close observation without any additional treatment and has shown no evidence of recurrence as of her last visit.

Citations

Citations to this article as recorded by

Changes in Incidence and Survival by Decade of Patients With Primary Colorectal Lymphoma: A SEER Analysis
Qingguo Li, Shaobo Mo, Weixing Dai, Yaqi Li, Ye Xu, Xinxiang Li, Guoxiang Cai, Sanjun Cai
Frontiers in Public Health.2020;[Epub] CrossRef
Successful Endoscopic Resection of Mucosa-Associated Lymphoid Tissue Lymphoma of the Colon
Brian L. Schwartz, Robert C. Lowe
ACG Case Reports Journal.2019; 6(10): e00228. CrossRef
Synchronous MALT lymphoma of the colon and stomach and regression after eradication ofStrongyloides stercoralisandHelicobacter pylori
Kevin Singh, Soren Gandhi, Behzad Doratotaj
BMJ Case Reports.2018; 2018: bcr-2018-224795. CrossRef
Mucosal leishmaniasis mimicking T-cell lymphoma in a patient receiving monoclonal antibody against TNFα
Antonio Carlos Nicodemo, Daniel Fernandes Duailibi, Diego Feriani, Maria Irma Seixas Duarte, Valdir Sabbaga Amato, Zvi Bentwich
PLOS Neglected Tropical Diseases.2017; 11(9): e0005807. CrossRef

Original Article

Importance of Early Follow-up Colonoscopy in Patients at High Risk for Colorectal Polyps: Sung Taek Jung, Dae Kyung Sohn, Chang Won Hong, Byung Chang Kim, Ji Won Park, Kyung Su Han, Hee Jin Chang, Hyo Sung Choi, Jae Hwan Oh; Ann Coloproctol. 2013;29(6):243-247. Published online December 31, 2013; DOI: https://doi.org/10.3393/ac.2013.29.6.243

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5 Citations

Abstract PDF

Purpose

Minimizing the polyp miss rate during colonoscopy is important for patients at high risk for colorectal polyps. We investigated the polyp miss rate and the factors associated with it in high-risk patients.

Methods

The medical records of 163 patients who underwent follow-up colonoscopy between January 2001 and April 2010, which was within 9 months after a polypectomy, because the index colonoscopy had shown multiple (more than 3) adenomas or advanced adenoma were retrospectively reviewed. Miss rates were calculated for all polyps, for neoplastic polyps and for advanced adenomas. Factors associated with the miss rates in these patients, such as the location, shape and size of the polyp, were analyzed.

Results

The miss rates for polyps, adenomas, adenomas <5 mm, adenomas ≥5 mm and advanced adenomas were 32.6%, 20.9%, 17.7%, 3.2%, and 0.9%, respectively. No carcinoma, except for one small carcinoid tumor, was missed. Flat shape and small size (<5 mm) were significantly associated with adenoma miss rate. The miss rate was significantly higher for flat-type advanced adenomas than for protruded-type advanced adenomas (27.7% vs 4.1%).

Conclusion

The polyp miss rate in patients at high risk for colorectal polyps was higher than expected. Efforts are needed to reduce miss rates and improve the quality of colonoscopy. Also, early follow-up colonoscopy is mandatory, especially in patients at high risk.

Citations

Citations to this article as recorded by

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