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Medical Science Monitor Basic Research


Cholecystocolic Fistula Misdiagnosed as Colon Cancer: A Case Report

Mistake in diagnosis

Hai-Bo Zhou

China (mainland) Department of Gastroenterology, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China (mainland)

Am J Case Rep 2018; 19:1370-1372

DOI: 10.12659/AJCR.911767

Available online:

Published: 2018-11-17


BACKGROUND: Due to the absence of specific symptoms and signs, cholecystocolic fistula is easy to miss as a diagnosis or misdiagnose.
CASE REPORT: We report a case of an older male patient who had cholecystocolic fistula which was misdiagnosed as colon cancer. The cholecystocolic fistula was incidentally discovered during surgery and was appropriately treated.
CONCLUSIONS: Cholecystocolic fistula is a rare complication of gallstone disease. Symptoms can be nonspecific. This case report demonstrates that despite modern diagnostic tools available, a high degree of suspicion is required to diagnose cholecystocolic fistula preoperatively. Open cholecystectomy and closure of fistula is the treatment of choice.

Keywords: Colonic Neoplasms, Diagnostic Errors, Intestinal Fistula