A Case of Choledochocele Associated with Carcinoma of the Pancreas

A‐59‐year old woman was admitted with lumbago and back pain. An abdominal ultrasonography and abdominal computed tomography demonstrated a tumor of the body of the pancreas and multiple space occupying lesions in the liver. Endoscopic retrograde chorangiopancreatography revealed a 11 mm cystic dilatation of the terminal portion of the common bile duct protruding into the duodenal lumen and an obstruction of the pancreatic duct in the body portion. Celiac artery angiography showed an irregularity in the wall of the splenic artery. In line with these findings, the patient was diagnosed as suffering from choledochocele associated with carcinoma of the pancreas. As she already had multiple metastatic liver tumors, her treatment was limited to amelioration of her symptoms. Increasing stenosis of the common bile duct, however, required endoscopic sphinctomy and endoscopic retrograde biliary drainage. Type 3 Choledochocele of Alonso‐Lej's classification is very rare, and only a few cases have been reported in association with malignant bile duct tumors. We believe this case to be the first one in our country linked with carcinoma of the pancreas.

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