Successful preoperative diagnosis of a cholecystogastric fistula using endoscopic retrograde cholangiography: report of a case.

A 64-year-old woman who presented with pyrexia and severe right upper quadrant abdominal pain was suspected of a having a cholecystogastric fistula by the abdominal plain radiograph and gastrointestinal endoscopic findings. The diagnosis was established preoperatively by endoscopic retrograde cholangiography (ERC), following which a cholecystectomy and fistulectomy with resection of the extrahepatic bile duct and hepaticojejunostomy were performed. The patient has remained well since her discharge from hospital.