53个病人经CT研究证实为原发性胆管癌,26个病人是胆囊癌,27个病人是胆管系统癌。胆囊癌病人中90％有一个腔内肿块,局部侵犯到达肝脏是常见的。胆管癌绝大多数病人有胆管扩张,胆囊癌中50％的病人有胆管扩张。肿瘤侵犯最常见部位是肝外胆管系统远端的普通胆管,在27个病人中1有8人(30％)发生。 In 53 patients, primary cholangiocarcinoma was confirmed by CT. 26 patients were gallbladder cancer and 27 patients were biliary system cancer. Ninety percent of gallbladder cancer patients have an intraluminal mass, and local invasion into the liver is common. The vast majority of patients with cholangiocarcinoma have bile duct dilation, and 50% of gallbladder cancer patients have dilated bile ducts. The most common site of tumor invasion is the common bile duct distal to the extrahepatic bile duct system, occurring in 1 out of 27 patients (30%).