A Case of Ectopic Bile Duct Stone with Ectopic Drainage into the Body of the Stomach

Takafumi Tamura, Yutaka Mizuno, Naoya Sawa, Michitaka Okamoto, Takayuki Terasawa, Daiji Iwami, Tatsuro Hasegawa, Tatsuyuki Ueno, Kazuaki Miura and Yousei Katayama*

Department of Surgery and Department of Pathology*, Hachinohe City Hospital

We report a rare case of double bile duct with calculus. A 71-year-old woman admitted for abdominal pain was found in abdominal ultrasonogy and CT to have a common bile duct stone. Upper gastrointestinal endoscopy showed that the bile flowed into the upper body of the stomach. ERCP delineated defects in the common bile duct and the statue of ectopic bile duct. In operative findings, a statue of ectopic bile duct lay between the liver hilus and the lesser curvature of the stomach in the lesser omentum. Cholangiography in the operation revealed that double bile duct diverged from left hepatic duct. Calculus occurred in a common bile duct and the ectopic bile duct, necessitating cholecystectomy, choledochotomy, and ectopic bile duct resection with partial gastrectomy. Histopathological finding of the double bile duct showed that the double bile duct was not aquired duct but also congential duct. A double bile duct is rare, and a case in which calculus is recognized in the ectopic bile duct is very rare.

Key words
double bile duct, gall bladder stone, bile duct stone

Reprint requests
Takafumi Tamura Department of Surgery, Hachinohe City Hospital
1 Bishamondaira, Tamukai, Hachinohe, 031-8555 JAPAN

Accepted
September 27, 2006

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