【摘要】 本文报告经病理证实的原发性胆管癌21例和壶腹癌10例,均为腺癌。着重分析了胆管癌和壶腹癌的直接和间接CT征象以及它们的特征性表现。CT扫描的准确率为80.6％（25/31）。还就本病的CT诊断、鉴别诊断、误诊原因以及CT扫描技术等问题进行了讨论。认为CT诊断原发性胆管癌和壶腹癌是有效、准确的检查方法。更多还原

【Abstract】 This paper reported primary cholangiocarcinoma 21 cases and ampuller cancer 10 cases, all comfirmed by histology as adenocarcinoma. The author emphatically analysed the CT direct signs, indirect signs and characteristic manifestations of respective tumors.The accuracy ratio of CT diagnosis was 80. 6%. The problems of CT diagnosis, differential diagnosis and technique of CT scanning were discussed. It appears that CT is effective and accurate method in detecting cholangiocarcinoma and ampuller cancer.更多还原