ERCPにて診断した無黄疸肝外胆管癌の二例

抄録

Cancer of the common bile duct have been diagnosed for the most when jaundice appeared. Non-icteric patients with cancer of the common bile duct were uncommonly diagnosed before surgical operation. Two patients out of 40 cases with cancer of the common bile duct which werediagnosed by ERCP were non-icteric when they were diagnosed. Case 1 is 65 year old male, with elevation of Transaminase and Alkaliphosphatase. ERCP was performed, revealing cancer of the common bile duct. At surgery tumor was removed. Histology revealed Adenocarcinoma. Case 2 is 44 year old male. He had complainted of epigastric pain. Intravenous cholangiography showed nonvisualization of the biliary tree. While liver function test showed quite normal. ERCP revealed cancer of the common bile duct with infilitration into the liver hilus. At surgery infiltration of cancerof the common bile duct into the liver was observed and tumor could not be removed. Biopsy specimens at exploratory laparotomy revealed Adenocarcinoma Tubulare Scirrhosum.