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January 1, 2026Surgical Case ReportsOpen Access

Curative Surgery for Malignant Sigmoid–Duodenal Fistula Caused by Colon Cancer: A Case Report

Saho Aso Moe Tasaki Kenta Aso Yuzuru Ito Shunsuke Shirakawa Kentaro Kawamitsu Takuji Noro Michio Machida Hiroyuki Sugo

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Key Points

This case report aims to present the management of a malignant sigmoid duodenal fistula secondary to colon cancer.
Detailed analysis of a rare case presenting with a malignant fistula.
Exploration of surgical interventions used in the treatment of the condition.
Successful curative surgical intervention led to resolution of the fistula.
The management approach may inform future treatment strategies for similar cases.

Implication

Case report details curative surgery for a rare malignant fistula, suggesting management pathways for similar cases.

Abstract

INTRODUCTION: A malignant sigmoid colon–duodenal fistula is extremely rare, and optimal management strategies remain unclear.

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Cite This Study

Aso et al. (2026) studied this question.

synapsesocial.com/papers/6a362e62db0793dc1a5362b2 https://doi.org/10.70352/scrj.cr.26-0218

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