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World J Gastrointest Surg. Sep 27, 2025; 17(9): 107139
Published online Sep 27, 2025. doi: 10.4240/wjgs.v17.i9.107139
Inferior mesenteric arteriovenous fistula: Two case reports
Yea-Jin Moon, Seung-Hun Lee
Yea-Jin Moon, Seung-Hun Lee, Department of Surgery, Kosin University Gospel Hospital, Kosin University College of Medicine, Busan 49267, South Korea
Author contributions: Moon YJ performed the literature review; Lee SH designed the study; Moon YJ and Lee SH wrote the paper; Lee SH revised the manuscript accordingly. All the authors have read and approved the final version of the manuscript.
Informed consent statement: Informed written consent was obtained from the patient for publication of this report and any accompanying images.
Conflict-of-interest statement: All the authors report no relevant conflicts of interest for this article.
CARE Checklist (2016) statement: The authors have read the CARE Checklist (2016), and the manuscript was prepared and revised according to the CARE Checklist (2016).
Open Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: https://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Seung-Hun Lee, MD, PhD, Professor, Department of Surgery, Kosin University Gospel Hospital, Kosin University College of Medicine, No. 262 Gamcheon-ro, Seo-gu, Busan 49267, South Korea. candoli8182@kosin.ac.kr
Received: March 16, 2025
Revised: April 11, 2025
Accepted: July 18, 2025
Published online: September 27, 2025
Processing time: 192 Days and 7.7 Hours
Core Tip

Core Tip: Over the past 10 years, we have encountered this rare disease twice. Our initial experience enabled a faster diagnosis and treatment in the second case. We found that recurrent intra-abdominal infection and inflammation may lead to the development of an inferior mesenteric arteriovenous fistula and serve as key indicators in diagnosing ischemic colitis of unknown origin. Although surgical resection may offer a definitive solution, timely diagnosis could make endovascular intervention a viable alternative.