, Volume 52, Issue 1, pp 59-63
Date: 16 Dec 2006

Primary Coloduodenal Fistula in a Patient with Crohn's Disease

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The posterior surface of the proximal transverse colon and the anterior surface of the descending duodenum are intimately related, predisposing to fistulization in this area. We herein describe a rare case of benign duodenocolic fistula secondary to Crohn's disease. We emphasize the clinical presentation with fecaloid vomiting, as well as the establishment of the diagnosis by endoscopy, which are both extremely rare. The presence of a colonic stricture supports the hypothesis that the disease started in the colon rather than in the duodenum, and mandates surgical rather than medical therapy. Our case illustrates the possibility of coloduodenal fistula in patients with long-standing Crohn's disease, which should be considered in patients presenting with fecaloid vomiting, abdominal pain, and weight loss.