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ＣＴ扫描对阻塞性黄疸的诊断意义重大。能很好地显示胆道梗阻部位；肝内、外胆管扩张的程度及形态；胆管内密度的改变；周围淋巴结是否肿大等。已广泛应用于日常检查中。本文回顾分析本院３６例良、恶性阻塞性黄疸病例，以期总结出有诊断价值的征象。１ 资料与方法１·１
CT scan for the diagnosis of obstructive jaundice is of great significance. Bile duct obstruction can be well displayed; intrahepatic and extrahepatic bile duct dilatation degree and form; bile duct density changes; surrounding lymph nodes are swollen and so on. Has been widely used in daily inspection. This article retrospective analysis of 36 cases of benign and malignant obstructive jaundice in our hospital, with a view to summarize the signs of diagnostic value. 1 Materials and Methods 1.1