【摘要】 目的　探讨恶性胆道梗阻的CT征象及CT检查在胆道良恶性梗阻诊断中的价值。方法　回顾性分析经手术病理证实且资料完整的 5 0例恶性梗阻性黄疸的CT征象 ,其中胆管癌 2 1例 ,胰头癌 15例 ,壶腹部癌 8例 ,胆囊癌 4例 ,胆管癌合并胆囊癌 2例。结果　恶性胆道梗阻的CT表现有肝内胆管及肝门部胆管扩张 ,表现为“软藤征” ,“截断征” ,“双管征” ,软组织肿块及淋巴结肿大和腹水等。结论　CT对于梗阻性黄疸的有无、梗阻水平判断及良恶性判定较准确 ,是诊断梗阻性黄疸的重要方法之一 ,具有重要临床应用价值更多还原

【Abstract】 Objective To evaluate the CT appearances and diagnostic value of malignant obstructive jaundice.Methods The CT signs of malignant obstructive jaundice proved by surgery and pathology in 50 cases were analyzed ,among them ,there were 21 cases of cholangiocarcinoma,15 cases of the head of pancreas, 8 cases of ampullary carcinoma, 4 cases of gallbladder carcinoma and 2 cases of cholangiocarcinoma complicated with gallbladder carcinoma.Results CT features of malignant obstructive jaundice included dilatation of the bile ducts which presented as“soft rattan sign”,other findings were “truncation sign”,“soft tissue mass”,“double duct sign”,lymphadenopathy and ascites .Conclusion CT examination has important value in diagnosing malignant obstructive jaundice. It can supply accurate location and causes of obstructive jaundice.更多还原