Annals of Coloproctology

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Unraveling the enigma of sclerosing encapsulating peritonitis: a comprehensive review: Witcha Vipudhamorn, Tawan Juthasilaparut, Pawit Sutharat, Suwan Sanmee, Ekkarin Supatrakul, Sayanan Chowsilpa, Kraipop Wongwaiyut, Rujee Rattanasathien; Ann Coloproctol. 2025;41(3):175-189. Published online June 18, 2025; DOI: https://doi.org/10.3393/ac.2024.00486.0069

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Abstract PDF: Sclerosing encapsulating peritonitis (SEP) is a rare but serious condition characterized by the progressive formation of a dense fibrous sheath encasing the small bowel within the peritoneal cavity. This review provides a comprehensive overview of the current understanding of SEP, focusing on its etiology, clinical presentation, diagnostic modalities, and management strategies. SEP can be classified into primary and secondary forms, each with distinct etiologies and treatment approaches. Primary SEP typically presents with acute or subacute bowel obstruction symptoms, necessitating surgical intervention to excise the fibrous sheath and relieve the obstruction. Secondary SEP often occurs in patients undergoing peritoneal dialysis, with cessation of dialysis being a key component of management. Medical treatments, including corticosteroids, immunosuppressive agents, and nutritional support, may complement surgical intervention, particularly in cases of secondary SEP. Advanced imaging techniques and personalized medicine approaches show promise in improving diagnostic accuracy and tailoring treatment strategies to individual patients. Future research directions include investigating targeted pharmacological therapies, exploring minimally invasive surgical techniques, and conducting long-term follow-up studies to evaluate treatment efficacy and disease recurrence. Multidisciplinary care teams play a crucial role in the comprehensive management of SEP, emphasizing collaboration among various specialties to optimize patient outcomes.

Review

Gene and protein expression of epithelial to mesenchymal transition for intestinal and anal fistula: a systematic review: Nadila Haryani Osman, Ruhi Fadzlyana Jailani, Hayati Abd Rahman, Nazefah Abdul Hamid; Ann Coloproctol. 2023;39(2):106-114. Published online December 3, 2021; DOI: https://doi.org/10.3393/ac.2021.00584.0083

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Purpose
Intestinal fibrosis is a common complication of inflammatory bowel diseases. However, the possible involvement of epithelial-mesenchymal transition (EMT) has been scarcely investigated. This systematic review aims to search through research papers that are focusing on messenger RNA (mRNA) and protein expression profile in EMT in fistula or in intestinal fibrosis.
Methods
Electronic exploration was performed until April 24, 2019 through PubMed, Ovid, Science Direct, and Scopus databases with the terms of “fistula” OR “intestinal fibrosis” AND “epithelial-mesenchymal transition”. Two independent reviewers scrutinized the suitability of the title and abstract before examining the full text that met the inclusion criteria. For each study, the sample types that were used, methods for analysis, and genes expressed were identified. The list of genes was further analyzed using DAVID (Database for Annotation, Visualization, and Integrated Discovery) and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway.
Results
There were 896 citations found; however, only 3 studies fulfilled the requirements. Among the EMT-related genes, 5 were upregulated genes at mRNA level while 6 were at protein level. However, only 2 downregulated genes were found at each mRNA and protein level. Of the 4 inflammation-related genes found, 3 genes were upregulated at mRNA level and 1 at protein level. These genes were confirmed to be involved in the development of inflammatory induced fibrosis and fistula through EMT. Results from quantitative real-time polymerase chain reaction analysis were consistent with the process of EMT, confirmed by the western blot protein analysis.
Conclusion
Many significant genes which are involved in the process of EMT in fistula and intestinal fibrosis have been identified. With high-end technology many more genes could be identified. These genes will be good molecular targets in the development of biomarkers for precision drug targeting in the future treatment of intestinal fibrosis and fistula.

Citations

Citations to this article as recorded by

Curing cryptoglandular anal fistulas—Is it possible without surgery?
Chuang Wu, Zubing Mei, Zhenyi Wang
Heliyon.2025; 11(1): e41297. CrossRef
Role of Adipose Tissue Hormones in Pathogenesis of Cryptoglandular Anal Fistula
Marcin Włodarczyk, Jakub Włodarczyk, Kasper Maryńczak, Anna Waśniewska-Włodarczyk, Urszula Doboszewska, Piotr Wlaź, Łukasz Dziki, Jakub Fichna
International Journal of Molecular Sciences.2024; 25(3): 1501. CrossRef
Exosomes Derived from Colon Cancer Cells Promote Tumor Progression and Affect the Tumor Microenvironment
Minsung Kim, Il Tae Son, Gyoung Tae Noh, So-Youn Woo, Ryung-Ah Lee, Bo Young Oh
Journal of Clinical Medicine.2023; 12(12): 3905. CrossRef

Original Article

Benign proctology,Surgical technique

Minimal Lateral Internal Sphincterotomy (LIS): Is It Enough to Cut Less Than the Conventional Tailored LIS?: Keun-Hee Lee, Keehoon Hyun, Seo-Gue Yoon, Jong-Kyun Lee; Ann Coloproctol. 2021;37(5):275-280. Published online July 9, 2021; DOI: https://doi.org/10.3393/ac.2020.00976.0139

23,934 View
230 Download
9 Web of Science
11 Citations

Abstract PDF

Purpose
Anal fissure is a common anorectal condition, yet its pathogenesis remains unclear. Lateral internal sphincterotomy (LIS) is the gold standard treatment for chronic anal fissures that do not respond to conservative treatment; however, it has a risk of anal incontinence. We believe that fibrosis of the internal anal sphincter is an important factor in the pathogenesis of chronic anal fissure. In this study, we describe the minimal LIS method, a minimally invasive method where only the fibrotic portion of the internal anal sphincter is cut. We also describe the outcomes of this method.
Methods
We performed a retrospective review of 468 patients (270 male and 198 female) who underwent minimal LIS for chronic anal fissure in 2017 at Seoul Song Do Hospital. We analyzed the patients’ clinical characteristics, manometry data, complications, and outcomes of minimal LIS. The outcomes of the surgery were assessed via questionnaires during the postoperative outpatient visits, beginning 2 weeks postoperatively.
Results
The overall complication rate was 4.0% (19 patients). Delayed healing occurred in 14 patients (3.0%), perianal abscess was present in 3 patients (0.6%), and gas incontinence occurred in 2 patients (0.4%). All complications were improved with conservative treatment. Recurrence, defined as the recurrence of anal fissure more than 4 weeks after healing, was present in 6 patients (1.3%).
Conclusion
Minimal LIS is a safe and effective treatment option for patients with chronic anal fissure. Postoperative complications, especially incontinence and recurrence, are rare.

Citations

Citations to this article as recorded by

Operative Therapie der Analfissur
Ricarda Diller
coloproctology.2025; 47(4): 254. CrossRef
Current evidence and new trends in anal fissure treatment
Marta DOMÍNGUEZ-MUÑOZ, Andrea BALLA, Juan Carlos GÓMEZ-ROSADO, Salvador MORALES-CONDE
Minerva Surgery.2025;[Epub] CrossRef
The Practices and Preferences of Turkish Surgeons in the Treatment of Anal Fissure
Ümit Özdemir, Necip Tolga Baran, Ahmet Seki
Journal of Coloproctology.2025; 45(03): 001. CrossRef
Management of Hemorrhoids and Anal Fissures
Oladapo Akinmoladun, William Oh
Surgical Clinics of North America.2024; 104(3): 473. CrossRef
Anal Fissure and Its Treatments: A Historical Review
Cristiana Riboni, Lucio Selvaggi, Francesco Cantarella, Mauro Podda, Salvatore Bracchitta, Vinicio Mosca, Angelo Cosenza, Vincenzo Cosenza, Francesco Selvaggi, Bruno Nardo, Francesco Pata
Journal of Clinical Medicine.2024; 13(13): 3930. CrossRef
Botulinum toxin injection versus lateral internal sphincterotomy for chronic anal fissure: a meta-analysis of randomized control trials
Ali Bonyad, Reza Hossein Zadeh, Setareh Asgari, Fatemeh Eghbal, Pardis Hajhosseini, Hani Ghadri, Niloofar Deravi, Reza Shah Hosseini, Mahdyieh Naziri, Rasoul Hossein Zadeh, Yaser khakpour, Sina Seyedipour
Langenbeck's Archives of Surgery.2024;[Epub] CrossRef
Modern trends and priority in treatment of chronic anal fissure
S. A. Aliev, E. S. Aliev
Grekov's Bulletin of Surgery.2024; 183(4): 77. CrossRef
New Findings at the Internal Anal Sphincter on Cadaveric Dissection and Review of Sphincter-Related Surgery in a Newer Prospective
Aswini Kumar Pujahari
Indian Journal of Surgery.2023; 85(3): 585. CrossRef
Long-term Efficacy and Safety of Controlled Manual Anal Dilatation in the Treatment of Chronic Anal Fissures: A Single-center Observational Study
Tatsuya Abe, Masao Kunimoto, Yoshikazu Hachiro, Shigenori Ota, Kei Ohara, Mitsuhiro Inagaki, Yusuke Saitoh, Masanori Murakami
Journal of the Anus, Rectum and Colon.2023; 7(4): 250. CrossRef
The Association of Coloproctology of Great Britain and Ireland guideline on the management of anal fissure
Katie L. R. Cross, Steven R. Brown, Jos Kleijnen, James Bunce, Melanie Paul, Sophie Pilkington, Oliver Warren, Oliver Jones, Jon Lund, Henry J. Goss, Michael Stanton, Tatenda Marunda, Artaza Gilani, L. Wee Sing Ngu, Philip Tozer
Colorectal Disease.2023; 25(12): 2423. CrossRef
Is It a Refractory Disease?- Fecal Incontinence; beyond Medication
Chungyeop Lee, Jong Lyul Lee
The Ewha Medical Journal.2022;[Epub] CrossRef

Case Report

Oxaliplatin-induced Pulmonary Fibrosis: Two Case Reports: Chun-Geun Ryu, Eun-Joo Jung, Gangmi Kim, Su Ran Kim, Dae-Yong Hwang; J Korean Soc Coloproctol. 2011;27(5):266-269. Published online October 31, 2011; DOI: https://doi.org/10.3393/jksc.2011.27.5.266

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32 Download
8 Citations

Abstract PDF

Oxaliplatin with infusional 5-fluorouracil plus leucovorin (FOLFOX regimen) is the one of the standard chemotherapy regimens for treating a colorectal carcinoma. The most common side effects include neutropenia, diarrhea, vomiting and peripheral neuropathy, and these are moderate and manageable. However, pulmonary toxicity is rarely reported to be associated with the FOLFOX regimen. Moreover, there is no established guideline for the management of this side effect. Here, along with a literature review, we report two cases of rapidly developing pulmonary fibrosis related to the use of the FOLFOX regimen in patients with colorectal carcinomas.

Citations

Citations to this article as recorded by

The intervention of B. longum metabolites in Fnevs' carcinogenic capacity: A potential double-edged sword
Jingyu Xu, Xinyu Wu, Luyi Yang, Xiaoxi Xu
Experimental Cell Research.2025; 445(1): 114407. CrossRef
Oxaliplatin-Induced Pulmonary Fibrosis: A Rare but Fatal Reality
Kinnera Sahithi Urlapu, Dmitry Lvovsky
Cureus.2023;[Epub] CrossRef
Pulmonary Fibrosis Secondary to Oxaliplatin Treatment: From Rarity to Reality: A Case Study and Literature Review
Ana C. Moreira, João Portela, Carlos Couto, José Duarte, Natália Martins, Jorge Soares
Oncology and Therapy.2020; 8(2): 183. CrossRef
A case report of acute pulmonary hypertension after hyperthermic intraperitoneal chemotherapy (HIPEC) and review of the literature
Thomas S. Zajonz, Michael Sander, Winfried Padberg, Andreas Hecker, Ruediger Hörbelt, Christian Koch, Emmanuel Schneck
Annals of Medicine and Surgery.2018; 27: 26. CrossRef
Prognosis and treatment of FOLFOX therapy related interstitial pneumonia: a plea for multimodal immune modulating therapy in the respiratory insufficient patient
Annick De Weerdt, Amélie Dendooven, Annemie Snoeckx, Jan Pen, Martin Lammens, Philippe G. Jorens
BMC Cancer.2017;[Epub] CrossRef
Oxaliplatin-Induced Pulmonary Toxicity in Gastrointestinal Malignancies: Two Case Reports and Review of the Literature
Mor Moskovitz, Mira Wollner, Nissim Haim
Case Reports in Oncological Medicine.2015; 2015: 1. CrossRef
Pulmonary Fibrosis Secondary to FOLFOX Chemotherapy: A Case Report
Wai Cheong Soon, Kate West, David Gibeon, Elizabeth Frances Bowen
Case Reports in Oncology.2014; 7(3): 662. CrossRef
Granulomatous Lung Disease Requiring Mechanical Ventilation Induced by a Single Application of Oxaliplatin-Based Chemotherapy for Colorectal Cancer: A Case Report
Dane Wildner, Frank Boxberger, Axel Wein, Kerstin Wolff, Heinz Albrecht, Gudrun Männlein, Rolf Janka, Kerstin Amann, Jürgen Siebler, Werner Hohenberger, Markus F. Neurath, Richard Strauß
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