Annals of Coloproctology

Original Articles

ERAS

The efficacy of mosapride on recovery of intestinal motility after elective colorectal cancer surgery: a randomized controlled trial: Tharin Thampongsa, Bensita Saengsawang, Chairat Supsamutchai, Chumpon Wilasrusmee, Jakrapan Jirasiritham, Puvee Punmeechao, Visarat Palitnonkiat, Napaphat Poprom, Pattawia Choikrua, Pongsasit Singhathas; Ann Coloproctol. 2025;41(3):232-238. Published online June 25, 2025; DOI: https://doi.org/10.3393/ac.2024.00892.0127

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Abstract PDF Supplementary Material: Purpose
Postoperative ileus is the physiologic hypomotility of the gastrointestinal tract that occurs immediately after abdominal surgery. Mosapride citrate is known to enhance gastrointestinal motility. This study aimed to evaluate mosapride’s impact on postoperative ileus and gastrointestinal motility in patients undergoing elective colorectal surgery.
Methods
Forty-four patients with colorectal cancer undergoing surgery at Ramathibodi Hospital between July 2021 and August 2022 were randomly assigned to either a mosapride group or a control group. The mosapride group received 5 mg of mosapride via the enteric route with 50 mL of water 3 times daily, beginning on postoperative day 1, while the control group received 5 mg of a placebo with 50 mL of water on the same schedule. A single investigator, blinded to the treatment assignments in this triple-blind study, evaluated the postoperative time to the first bowel movement and passage of flatus. Secondary outcomes included the time to step diet, length of postoperative hospital stay, and adverse effects.
Results
There were 23 patients in the control group and 21 in the mosapride group. There were no significant differences in baseline patient characteristics between the 2 groups. The mosapride group demonstrated significantly shorter times to the first bowel movement (26 hours vs. 50 hours, P=0.004) and passage of flatus (40 hours vs. 70 hours, P=0.003).
Conclusion
Mosapride significantly improved the recovery of gastrointestinal motility and reduced the length of hospital stay without causing any serious adverse effects in patients undergoing elective colorectal surgery. Trial registration: ClinicalTrials.gov identifier: NCT04905147

Colorectal cancer

How appropriately can generative artificial intelligence platforms, including GPT-4, Gemini, Bing, and Wrtn, answer questions about colon cancer in the Korean language?: Sun Huh; Ann Coloproctol. 2025;41(3):190-197. Published online June 25, 2025; DOI: https://doi.org/10.3393/ac.2024.00122.0017

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Abstract PDF Supplementary Material: Purpose
This study aims to assess the performance of 4 generative artificial intelligence (AI) platforms—Gemini (formerly Bard), Bing, GPT-4, and Wrtn—in answering questions about colon cancer in the Korean language. Two main research questions guided this study. First, which AI platform provides the most accurate answers? Second, can these AI-generated answers be reliably used to educate patients and their families about colon cancer?
Methods
Ten questions selected by the author were posed to the 4 generative AI platforms on February 22, 2024. Two colorectal surgeons in Korea, each with over 20 years of clinical experience, independently evaluated the answers provided by these generative AI platforms.
Results
The generative AI platforms scored an average of 5.5 out of 10 points. Wrtn achieved the highest score at 6 points, followed by GPT-4 and Gemini, each with 5.5, and Bing, scoring 5 points. The weighted κ for inter-rater reliability was 0.597 (P<0.001). The generative AI platforms performed well in explaining the occult blood test for cancer screening, keyhole surgery, and dietary recommendations for cancer prevention. However, they demonstrated significant limitations in answering more complex topics, such as estimating survival rates following surgery, choosing targeted therapy after surgery, and accurately reporting the mortality rate due to colon cancer in Korea.
Conclusion
The findings suggest that using these generative AI platforms as educational resources for patients and their families regarding colon cancer is premature. Further training on colorectal diseases is required before these AI platforms can be considered reliable information sources for the general public in Korea.

Complications

Bedside endoscopic inspection of colorectal anastomoses in the early postoperative period: a 2-center prospective feasibility study: David J. Nijssen, Roel Hompes, Jurriaan Tuynman, Jimme K. Wiggers, Willem A. Bemelman, Saidah Sahid, James Kinross, Wytze Laméris; Ann Coloproctol. 2025;41(2):127-135. Published online April 14, 2025; DOI: https://doi.org/10.3393/ac.2024.00584.0083

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Abstract PDF: Purpose
Early diagnosis of anastomotic leakage (AL) after colorectal surgery can reduce severe postoperative morbidity and ensure successful treatment. This study evaluated the feasibility of bedside endoscopic inspection of the anastomosis early postoperatively using a point-of-care digital rectoscope.
Methods
This prospective study was conducted at 2 tertiary centers. Patients who underwent minimally invasive or open sphincter-preserving surgery with creation of a colorectal or coloanal anastomosis were included. Data were collected from December 2022 to October 2023. Bedside anastomotic inspections were performed postoperative day (POD) 3 to 5 using a point-of-care digital rectoscope. The primary outcome was feasibility, defined as adequate clinical assessment of the anastomosis during bedside inspection. Secondary outcomes included patient tolerability, efficacy compared to other diagnostic methods, and clinical outcomes during 90 days of follow-up.
Results
In total, 35 patients were included. All bedside anastomotic inspections were carried out successfully. The examination showed complete visibility of the entire anastomosis in 30 patients (85.7%), with minimal discomfort reported by 3 (8.6%). No adverse events were recorded. AL occurred in 6 patients (17.1%), with 3 cases detected during bedside inspections between POD 3 and 5. Two leaks were detected without clinical or biochemical suspicion. Three patients with negative rectoscopy between POD 3 and 5 were later diagnosed with AL: 2 by a computed tomography scan and 1 by a bedside rectoscopy.
Conclusion
Bedside inspection of rectal anastomoses early postoperatively is feasible and tolerable for patients. Routine anastomotic inspections can detect early AL even without clear clinical or biochemical signs.

Colorectal cancer

Comparison of colorectal cancer surgery patients in intensive care between rural and metropolitan hospitals in Australia: a national cohort study: Jessica A. Paynter, Zakary Doherty, Chun Hin Angus Lee, Kirby R. Qin, Janelle Brennan, David Pilcher; Ann Coloproctol. 2025;41(1):68-76. Published online January 24, 2025; DOI: https://doi.org/10.3393/ac.2024.00269.0038

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Abstract PDF Supplementary Material: Purpose
A small proportion of colorectal cancer (CRC) surgical patients will require an admission to an intensive care unit (ICU) within the early postoperative period. This study aimed to compare the characteristics and outcomes of patients admitted to an ICU following CRC surgery per hospital type (metropolitan vs. rural) over a decade in Australia.
Methods
A retrospective cohort analysis was undertaken of all adult patients admitted to a participating Australian ICUs following CRC surgery between January 2011 and December 2021. The primary outcome was in-hospital mortality.
Results
Over the 10-year period, 19,611 patients were treated in 122 metropolitan ICUs and 4,108 patients were treated in 42 rural ICUs. Rural ICUs had a lower proportion of annual admissions following CRC surgery (20 vs. 36, P<0.001). Patients admitted to a rural ICU were more likely to have undergone emergency CRC surgery compared to those admitted to a metropolitan cohort (28.5% vs. 13.8%, P<0.001). There was no difference in in-hospital mortality between metropolitan and rural hospitals (odds ratio [OR], 1.03; 95% confidence interval [CI], 0.73–1.35; P=0.500). There was a general trend for lower mortality in later years of the study with the odds of death in the final year of the study (2021) almost half that of the first study year (OR, 0.52; 95% CI, 0.34–0.80; P=0.003).
Conclusion
There was no difference between in-hospital mortality outcomes for CRC surgical patients requiring ICU admission between metropolitan and rural hospitals. These findings may contribute to discussions regarding rural scope of colorectal practice within Australia and globally.

Reviews

Minimally invasive surgery

Robotic colorectal surgery training: Portsmouth perspective: Guglielmo Niccolò Piozzi, Sentilnathan Subramaniam, Diana Ronconi Di Giuseppe, Rauand Duhoky, Jim S. Khan; Ann Coloproctol. 2024;40(4):350-362. Published online August 30, 2024; DOI: https://doi.org/10.3393/ac.2024.00444.0063

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Abstract PDF

This study aims to discuss the principles and pillars of robotic colorectal surgery training and share the training pathway at Portsmouth Hospitals University NHS Trust. A narrative review is presented to discuss all the relevant and critical steps in robotic surgical training. Robotic training requires a stepwise approach, including theoretical knowledge, case observation, simulation, dry lab, wet lab, tutored programs, proctoring (in person or telementoring), procedure-specific training, and follow-up. Portsmouth Colorectal has an established robotic training model with a safe stepwise approach that has been demonstrated through perioperative and oncological results. Robotic surgery training should enable a trainee to use the robotic platform safely and effectively, minimize errors, and enhance performance with improved outcomes. Portsmouth Colorectal has provided such a stepwise training program since 2015 and continues to promote and augment safe robotic training in its field. Safe and efficient training programs are essential to upholding the optimal standard of care.

Citations

Citations to this article as recorded by

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
Entwicklung und Implementation eines strukturierten Ausbildungsprogramms in der robotischen Chirurgie
Sarah Englert, Natascha Tschukewitsch, Alexa Wölfl, Christoph Justinger
Die Chirurgie.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

Translational/basic research

Tissue engineering and regenerative medicine approaches in colorectal surgery: Bigyan B. Mainali, James J. Yoo, Mitchell R. Ladd; Ann Coloproctol. 2024;40(4):336-349. Published online August 30, 2024; DOI: https://doi.org/10.3393/ac.2024.00437.0062

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Abstract PDF

Tissue engineering and regenerative medicine (TERM) is an emerging field that has provided new therapeutic opportunities by delivering innovative solutions. The development of nontraditional therapies for previously unsolvable diseases and conditions has brought hope and excitement to countless individuals globally. Many regenerative medicine therapies have been developed and delivered to patients clinically. The technology platforms developed in regenerative medicine have been expanded to various medical areas; however, their applications in colorectal surgery remain limited. Applying TERM technologies to engineer biological tissue and organ substitutes may address the current therapeutic challenges and overcome some complications in colorectal surgery, such as inflammatory bowel diseases, short bowel syndrome, and diseases of motility and neuromuscular function. This review provides a comprehensive overview of TERM applications in colorectal surgery, highlighting the current state of the art, including preclinical and clinical studies, current challenges, and future perspectives. This article synthesizes the latest findings, providing a valuable resource for clinicians and researchers aiming to integrate TERM into colorectal surgical practice.

Citations

Citations to this article as recorded by

From the Editor: Uniting expertise, a new era of global collaboration in coloproctology
In Ja Park
Annals of Coloproctology.2024; 40(4): 285. CrossRef

ERAS

Tolerance to and postoperative outcomes with early oral feeding following elective bowel surgery: a systematic review with meta-analysis: Lord Mvoula, Evelyn Irizarry; Ann Coloproctol. 2024;40(6):538-547. Published online July 31, 2024; DOI: https://doi.org/10.3393/ac.2023.00472.0067

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Abstract PDF: Purpose
Advancements in gastrointestinal surgery have directed attention toward optimizing recovery, including through the use of feeding methods that reduce prolonged postoperative hospital stays, complications, and mortality, among other undesirable outcomes. This study’s primary goals were to identify current peer-reviewed literature reporting the postoperative outcomes of elective bowel surgery and to evaluate the clinical evidence of patients’ tolerance to oral feeding following elective bowel surgery.
Methods
An exhaustive literature search was conducted via PubMed and Scopus. The search results were screened for potential articles, and articles were assessed for eligibility based on prespecified eligibility criteria. The data were synthesized, and the results were reported and discussed thematically.
Results
The database search yielded 1,667 articles, from which 18 randomized controlled trials were chosen for inclusion in this study. This study included 874 early oral feeding (EOF) patients, 865 traditional oral feeding patients, and 91 patients whose postoperative care was unspecified. Data synthesis was done, and meta-analyses were conducted. The results showed that EOF patients required a significantly shorter time to tolerate a solid diet and had shorter hospital stays. In addition, bowel function was restored earlier in EOF groups.
Conclusion
The results show good tolerance to EOF, shorter hospitalizations, and faster restoration of bowel function, suggesting that EOF after elective bowel surgery is relatively safe. However, further studies with similar baseline conditions should be conducted to verify these results.

Technical Notes

Can the Heald anal stent help to reduce anastomotic or rectal stump leak in elective and emergency colorectal surgery? A single-center experience: Michael Jones, Brendan Moran, Richard John Heald, John Bunni; Ann Coloproctol. 2024;40(1):82-85. Published online February 26, 2024; DOI: https://doi.org/10.3393/ac.2023.00038.0005

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Abstract PDF: Anastomotic and rectal stump leaks are feared complications of colorectal surgery. Diverting stomas are commonly used to protect low rectal anastomoses but can have adverse effects. Studies have reported favorable outcomes for transanal drainage devices instead of diverting stomas. We describe our use of the Heald anal stent and its potential impact in reducing anastomotic or rectal stump leak after elective or emergency colorectal surgery. We performed a single-center retrospective analysis of patients in whom a Heald anal stent had been used to “protect” a colorectal anastomosis or a rectal stump, in an elective or emergency context, for benign and malignant pathology. Intraoperative and postoperative outcomes were reviewed using clinical and radiological records. The Heald anal stent was used in 93 patients over 4 years. Forty-six cases (49%) had a colorectal anastomosis, and 47 (51%) had an end stoma with a rectal stump. No anastomotic or rectal stump leaks were recorded. We recommend the Heald anal stent as a simple and affordable adjunct that may decrease anastomotic and rectal stump leak by reducing intraluminal pressure through drainage of fluid and gas.

Minimally invasive surgery

Robotic natural orifice specimen extraction surgery (NOSES) for anterior resection: Toan Duc Pham, Tomas Larach, Bushra Othman, Amrish Rajkomar, Alexander G. Heriot, Satish K. Warrier, Philip Smart; Ann Coloproctol. 2023;39(6):526-530. Published online December 19, 2023; DOI: https://doi.org/10.3393/ac.2022.00458.0065

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Abstract PDF Supplementary Material

Minimally invasive colorectal surgery is currently well-accepted, with open techniques being reserved for very difficult cases. Laparoscopic colectomy has been proven to have lower mortality, complication, and ostomy rates; a shorter median length of stay; and lower overall costs when compared to its open counterpart. This trend is seen in both benign and malignant indications. Natural orifice specimen extraction surgery (NOSES) in colorectal surgery was first described in the early 1990s. Three recent meta-analyses comparing transabdominal extraction against NOSES concluded that NOSES was superior in terms of overall postoperative complications, recovery of gastrointestinal function, postoperative pain, aesthetics, and hospital stay. However, NOSES was associated with a longer operative time. Herein, we present our technique of robotic NOSES anterior resection using the da Vinci Xi platform in diverticular disease and sigmoid colon cancers.

Citations

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Reviews

Colorectal cancer

Essential anatomy for lateral lymph node dissection: Yuichiro Yokoyama, Hiroaki Nozawa, Kazuhito Sasaki, Koji Murono, Shigenobu Emoto, Hiroyuki Matsuzaki, Shinya Abe, Yuzo Nagai, Yuichiro Yoshioka, Takahide Shinagawa, Hirofumi Sonoda, Daisuke Hojo, Soichiro Ishihara; Ann Coloproctol. 2023;39(6):457-466. Published online December 8, 2023; DOI: https://doi.org/10.3393/ac.2023.00164.0023

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Abstract PDF

In Western countries, the gold-standard therapeutic strategy for rectal cancer is preoperative chemoradiotherapy (CRT) following total mesorectal excision (TME), without lateral lymph node dissection (LLND). However, preoperative CRT has recently been reported to be insufficient to control lateral lymph node recurrence in cases of enlarged lateral lymph nodes before CRT, and LLND is considered necessary in such cases. We performed a literature review on aspects of pelvic anatomy associated with rectal surgery and LLND, and then combined this information with our experience and knowledge of pelvic anatomy. In this review, drawing upon research using a 3-dimensional anatomical model and actual operative views, we aimed to clarify the essential anatomy for LLND. The LLND procedure was developed in Asian countries and can now be safely performed in terms of functional preservation. Nonetheless, the longer operative time, hemorrhage, and higher complication rates with TME accompanied by LLND than with TME alone indicate that LLND is still a challenging procedure. Laparoscopic or robotic LLND has been shown to be useful and is widely performed; however, without a sufficient understanding of anatomical landmarks, misrecognition of vessels and nerves often occurs. To perform safe and accurate LLND, understanding the landmarks of LLND is essential.

Citations

Citations to this article as recorded by

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
Annals of Coloproctology.2024; 40(4): 363. CrossRef
Dissection layer selection based on an understanding of pelvic fascial anatomy in transanal total mesorectal excision
Daichi Kitaguchi, Masaaki Ito
Annals of Coloproctology.2024; 40(4): 375. CrossRef

Benign bowel disease

Multimodal prerehabilitation for elderly patients with sarcopenia in colorectal surgery: Jingting Wu, Hannah Chi, Shawn Kok, Jason M.W. Chua, Xi-Xiao Huang, Shipin Zhang, Shimin Mah, Li-Xin Foo, Hui-Yee Peh, Hui-Bing Lee, Phoebe Tay, Cherie Tong, Jasmine Ladlad, Cheryl H.M. Tan, Nathanelle Khoo, Darius Aw, Cheryl X.Z. Chong, Leonard M.L. Ho, Sharmini S. Sivarajah, Jialin Ng, Winson J.H. Tan, Fung-Joon Foo, Bin-Tean Teh, Frederick H. Koh; Ann Coloproctol. 2024;40(1):3-12. Published online March 31, 2023; DOI: https://doi.org/10.3393/ac.2022.01207.0172

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25 Web of Science
28 Citations

Abstract PDF

Sarcopenia, which is characterized by progressive and generalized loss of skeletal muscle mass and strength, has been well described to be associated with numerous poor postoperative outcomes, such as increased perioperative mortality, postoperative sepsis, prolonged length of stay, increased cost of care, decreased functional outcome, and poorer oncological outcomes in cancer surgery. Multimodal prehabilitation, as a concept that involves boosting and optimizing the preoperative condition of a patient prior to the upcoming stressors of a surgical procedure, has the purported benefits of reversing the effects of sarcopenia, shortening hospitalization, improving the rate of return to bowel activity, reducing the costs of hospitalization, and improving quality of life. This review aims to present the current literature surrounding the concept of sarcopenia, its implications pertaining to colorectal cancer and surgery, a summary of studied multimodal prehabilitation interventions, and potential future advances in the management of sarcopenia.

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Immunological changes and recovery-related factors in older patients with colon cancer: A pilot trial
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Integration of resistance exercise into a multimodal approach to prehabilitation for patients with sarcopenia prior to surgery: a narrative review
Harsh Patel, Khang Duy Ricky Le, Annie Jiao Wang, Samuel Boon Ping Tay
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A randomized controlled trial of a digital lifestyle intervention involving postoperative patients with colorectal cancer
Young Il Kim, In Ja Park, Jun-Soo Ro, Jong Lyul Lee, Chan Wook Kim, Yong Sik Yoon, Seok-Byung Lim, Chang Sik Yu, Yura Lee, Yae Won Tak, Seockhoon Chung, Kyung Won Kim, Yousun Ko, Sung-Cheol Yun, Min-Woo Jo, Jong Won Lee
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Optimal anastomotic technique in rectal surgery to prevent anastomotic leakage: Daichi Kitaguchi, Masaaki Ito; Ann Coloproctol. 2023;39(2):97-105. Published online January 3, 2023; DOI: https://doi.org/10.3393/ac.2022.00787.0112

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Abstract PDF

Complications after colorectal surgery remain inevitable, and anastomotic leakage is one of the most severe and potentially fatal complications. Generally, anastomotic leakage is associated with severe peritonitis, the need for emergency reoperation, and an increased mortality rate. Additionally, particularly after rectal cancer surgery, it has a negative impact on long-term outcomes, including postoperative anorectal function, local recurrence, and survival. To prevent anastomotic leakage, understanding the characteristics of each anastomotic technique and establishing a stable anastomotic procedure are important. Transanal total mesorectal excision (TaTME) is a relatively new advanced surgical access technique for pelvic dissection and facilitates different anastomotic techniques without the need for transabdominal rectal transection. Especially, stapled anastomosis in TaTME, also known as double purse-string circular stapled anastomosis or the single stapling technique (SST), has gained much attention as an alternative to the conventional double stapling technique (DST). In this article, we describe the DST, SST, and hand-sewn anastomosis as anastomotic techniques after rectal surgery, focusing mainly on the differences between conventional anastomotic techniques and SST in TaTME. Furthermore, the blood flow evaluation method for the reconstructive colon before anastomosis, which is extremely important in anastomotic leakage prevention regardless of the anastomotic type, is also described.

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Optimizing outcomes in anastomotic recurrence of rectal cancer: Efficacy of transanal total mesorectal excision
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Dissection layer selection based on an understanding of pelvic fascial anatomy in transanal total mesorectal excision
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Colorectal cancer

Outcomes of redo for failed colorectal or coloanal anastomoses: a systematic review and meta-analysis: Ricardo Purchio Galletti, Gabriel Andrade Agareno, Lucas de Abreu Sesconetto, Rafael Benjamim Rosa da Silva, Rafael Vaz Pandini, Lucas Soares Gerbasi, Victor Edmond Seid, Sérgio Eduardo Alonso Araujo, Francisco Tustumi; Ann Coloproctol. 2023;39(5):375-384. Published online December 20, 2022; DOI: https://doi.org/10.3393/ac.2022.00605.0086

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Abstract PDF Supplementary Material

Purpose
This study aimed to review the outcomes of redo procedures for failed colorectal or coloanal anastomoses.
Methods
A systematic review was performed using the PubMed, Embase, Cochrane, and LILACS databases. The inclusion criteria were adult patients undergoing colectomy with primary colorectal or coloanal anastomosis and studies that assessed the postoperative results. The protocol is registered in PROSPERO (No. CRD42021267715).
Results
Eleven articles met the eligibility criteria and were selected. The studied population size ranged from 7 to 78 patients. The overall mortality rate was 0% (95% confidence interval [CI], 0%–0.01%). The postoperative complication rate was 40% (95% CI, 40%–50%). The length of hospital stay was 13.68 days (95% CI, 11.3–16.06 days). After redo surgery, 82% of the patients were free of stoma (95% CI, 75%–90%), and 24% of patients (95% CI, 0%–39%) had fecal incontinence. Neoadjuvant chemoradiotherapy (P=0.002) was associated with a lower probability of being free of stoma in meta-regression.
Conclusion
Redo colorectal and coloanal anastomoses are strategies to restore colonic continuity. The decision to perform a redo operation should be based on a proper evaluation of the morbidity and mortality risks, the probability of remaining free of stoma, the quality of life, and a functional assessment.

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Laparoscopic redo endorectal pull‐through procedure for complex rectovaginal fistula after rectal resection for endometriosis: A Video Vignette
Sergio Eduardo Alonso Araujo, Francisco Tustumi, Ana Sarah Portilho, Lucas de Araujo Horcel, Victor Edmond Seid
Colorectal Disease.2023; 25(11): 2284. CrossRef

Inflammatory bowel diseases

Colorectal surgical management of colitis induced by vasculitis in the absence of inflammatory bowel disease: a case report and literature review: Jessica A. Paynter, Kirby R. Qin, Georgia Seamer, Ruchira Fernando, Janelle Brennan, Chun Hin Angus Lee; Ann Coloproctol. 2023;39(3):193-203. Published online November 16, 2022; DOI: https://doi.org/10.3393/ac.2022.00584.0083

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Abstract PDF

Colitis caused by vasculitis is a rare and poorly understood pathology. Little evidence exists on its clinical presentation, path to diagnosis, and surgical management. In this report, we present a case report and literature review. A healthy 20-year-old male patient presented with hemorrhagic colitis requiring total colectomy with end ileostomy. Pathological examination showed pancolitis with multiple ulcers, transmural inflammation, hemorrhage, and microvascular thrombosis. Extensive serological testing revealed elevated cytoplasmic antineutrophil cytoplasmic antibody (c-ANCA) and eosinophilia, leading to a diagnosis of eosinophilic granulomatosis with polyangiitis (EGPA) and vasculitis-induced colitis. A literature review was subsequently conducted. Nineteen studies were found documenting vasculitis-induced colitis in the absence of inflammatory bowel disease (IBD). Systemic signs of vasculitis, hemorrhagic colitis, and progression to fulminant colitis were present. Of all patients, 40.0% required colorectal surgery and 62.5% of those patients received a stoma; 25% underwent emergency surgery following failed immunosuppression. All cases relied on clinical correlation with serology and/or histopathology to reach a final diagnosis. We report a case of vasculitis-induced colitis caused by c-ANCA−positive EGPA. The review shows that vasculitis-induced colitis without IBD is an important differential that clinicians should be aware of in patients presenting with colitis.

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Systemic Lupus Erythematosus Vasculitis Causing Perforation Peritonitis in Miliary Tuberculosis: A Disease in Disguise
Soumyajit Jana, Monika Gureh, Ankur Cheleng, Ayush Vardhan
Cureus.2025;[Epub] CrossRef

Original Article

Surgical management of retrorectal tumors: a single-center 12 years’ experience: Amirhosein Naseri, Behnam Behboudi, Ali Faryabi, Seyed Mohsen Ahmadi Tafti, Amirsina Sharifi, Mohammad Reza Keramati, Mohammad Sadegh Fazeli, Amir Keshvari, Mehdi Zeinalizadeh, Reza Akbari Asbagh, Niloufar Hoorshad, Alireza Kazemeini; Received April 26, 2022 Accepted June 23, 2022 Published online October 11, 2022; DOI: https://doi.org/10.3393/ac.2022.00297.0042 [Epub ahead of print]

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96 Download
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Abstract PDF

Purpose
Retrorectal tumors (RTs) are rare tumors that arise in the space between the mesorectum and the pelvic wall and often originate in embryonic tissues. The primary treatment for these tumors is complete excision surgery, and choosing the best surgical approach is very important.
Methods
In this study, we retrospectively collected the data of 15 patients with RTs who underwent surgery in Imam Khomeini Hospital (Tehran, Iran) for 12 years to share our experiences of patients’ treatment and compare different surgical approaches.
Results
A total of 5 tumors were malignant, 10 were benign, and most of the tumors were congenital. Malignant tumors were seen in older patients. Three surgical procedures were performed on patients. Three patients underwent abdominal approach surgery, and 8 patients underwent posterior surgery. A combined surgical approach was performed on 4 patients. Two patients underwent laparoscopic surgery. The abdominal approach had the least long-term complication, and the combined approach had the most complications; laparoscopic surgery reduced the length of hospital stay and complications after surgery.
Conclusion
A multidisciplinary team collaboration using magnetic resonance imaging details is necessary to determine a surgical treatment approach. It could reduce the need for a preoperative biopsy. However, every approach has its advantages and disadvantages, and individualized treatment is the key.

Citations

Citations to this article as recorded by

Tailgut Cyst—Gynecologist’s Pitfall: Literature Review and Case Report
Andrei Mihai Malutan, Viorela-Elena Suciu, Florin Laurentiu Ignat, Doru Diculescu, Razvan Ciortea, Emil-Claudiu Boțan, Carmen Elena Bucuri, Maria Patricia Roman, Ionel Nati, Cristina Ormindean, Dan Mihu
Diagnostics.2025; 15(1): 108. CrossRef

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