Annals of Coloproctology

Original Articles

Minimally invasive surgery

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; Ann Coloproctol. 2024;40(3):225-233. Published online June 19, 2024; DOI: https://doi.org/10.3393/ac.2023.00059.0008

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Purpose
Preoperative colonoscopic (POC) localization is recommended for patients scheduled for elective laparoscopic colectomy for early colon cancer. Among the various localization method, POC tattooing localization has been widely used. Several dyes have been used for tattooing, but dye has disadvantages, including foreign body reactions. For this reason, we have used autologous blood tattooing for POC localization. This study aimed to evaluate the safety and efficacy of the autologous blood tattooing method.
Methods
This study included patients who required POC localization of the colonic neoplasm among the patients who were scheduled for elective colon resection. The indication for localization was early colon cancer (clinically T1 or T2) or colonic neoplasms that could not be resected endoscopically. POC autologous blood tattooing was performed after saline injection, and 2 hemoclips were applied.
Results
A total of 45 patients who underwent autologous blood tattooing and laparoscopic colectomy were included in this study. All POC localization sites were visible in the laparoscopic view. POC localization sites showed almost perfect agreement with intraoperative surgical findings. There were no complications like bowel perforation, peritonitis, hemoperitoneum, and mesenteric hematoma.
Conclusion
Autologous blood is a safe and effective agent for localizing materials that can replace previous dyes. However, a large prospective case-control study is required for the routine application of this procedure in early colon cancer or colonic neoplasms.

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

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

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Graphical Abstract Abstract 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

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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

Case Report

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

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Abstract 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

Citations to this article as recorded by

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
The Effects of Diet, Dietary Supplements, Drugs and Exercise on Physical, Diagnostic Values of Urine Characteristics
Dorota Skrajnowska, Barbara Bobrowska-Korczak
Nutrients.2024; 16(18): 3141. CrossRef
A case report of a ruptured Meckel's diverticulum with ectopic gastric and pancreatic tissue with negative computed tomography
Marcos Rosado, Thomas Serena, John Pui, John Parmely
International Journal of Surgery Case Reports.2021; 83: 105994. CrossRef

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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Abstract 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.

Citations

Citations to this article as recorded by

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
Annals of Surgical Treatment and Research.2025; 108(6): 333. CrossRef
Efficacy and safety of MR-guided adaptive simultaneous integrated boost radiotherapy to primary lesions and positive lymph nodes in the neoadjuvant treatment of locally advanced rectal cancer: a randomized controlled phase III trial
Haohua Wang, Xiang Zhang, Boyu Leng, Kunli Zhu, Shumei Jiang, Rui Feng, Xue Dou, Fang Shi, Lei Xu, Jinbo Yue
Radiation Oncology.2024;[Epub] CrossRef
Organ preservation for early rectal cancer using preoperative chemoradiotherapy
Gyung Mo Son
Annals of Coloproctology.2023; 39(3): 191. CrossRef
Komplette Response nach neoadjuvanter Therapie beim Rektumkarzinom: Implikationen für die Chirurgie
Carolin Kastner, Bernhard Petritsch, Joachim Reibetanz, Christoph-Thomas Germer, Armin Wiegering
Der Chirurg.2022; 93(2): 144. CrossRef
Evaluating the benefit of adjuvant chemotherapy in patients with ypT0–1 rectal cancer treated with preoperative chemoradiotherapy
Ye Won Jeon, In Ja Park, Jeong Eun Kim, Jin-Hong Park, Seok-Byung Lim, Chan Wook Kim, Yong Sik Yoon, Jong Lyul Lee, Chang Sik Yu, Jin Cheon Kim
World Journal of Gastrointestinal Surgery.2021; 13(9): 1000. CrossRef
Lateral Pelvic Lymph Node Dissection After Neoadjuvant Chemoradiotherapy in Patients With Rectal Cancer: A Single-Center Experience and Literature Review
Min Chul Kim, Jae Hwan Oh
Annals of Coloproctology.2021; 37(6): 382. CrossRef
The apparent diffusion coefficient is a useful biomarker in predicting treatment response in patients with locally advanced rectal cancer
Mayra Evelia Jiménez de los Santos, Juan Armando Reyes-Pérez, Rosa Martha Sandoval-Nava, José Luis Villalobos-Juárez, Yolanda Villaseñor-Navarro, Itzel Vela-Sarmiento, Isabel Sollozo-Dupont
Acta Radiologica Open.2020;[Epub] CrossRef

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