Spontaneous Closure of Ureterocolic Fistula Secondary to Diverticulitis

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Abstract
An 88 yr old woman with spontaneous closure of a ureterocolic fistula secondary to sigmoid diverticulitis is described. Initially, the patient was subjected to proximal transverse colostomy to divert the fecal stream. She was rehospitalized for a sigmoid colectomy; left ureteral catheterization and a retrograde pyelogram showed spontaneous closure of the ureterocolic fistula. A literature review reveals that specific involvement of the ureter secondary to inflammatory bowel disease is rare. A radical resection in the acute stage is not recommended, especially when the tissue planes may be obliterated owing to inflammation, and difficulty in structure identification may lead to inadvertent injury.