HighlightsA 40-year-old woman, three years after an open myomectomy and two re-laparotomies.A transmural migration of a gossypiboma in the right colon responsible for a mass that mimicked an abscessed colonic tumor.A right hemicolectomy and stomas were performed.Surgical specimen dissection revealed an intracolonic surgical sponge.

Cholecystocutaneous fistula, the ultimate complication of abscessed or overlooked acute cholecystitis, is due to perforation of the gallbladder in the abdominal wall. The authors report an unusual case of cholecystoparietal fistula revealed by an epigastric abscess. Fistulography and modern imaging tools make the diagnosis easier. Surgery is the best available treatment.

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