对梗阻性黄疸 (下称阻黄 )的诊断 ,影像学检查具有十分重要的地位。ＵＳ、ＰＴＣ、ＣＴ、ＭＲＩ及ＥＲＣＰ等对阻黄的诊断价值文献多有论述。但鉴于基层医院条件所限 ,ＣＴ、ＭＲＩ等目前难以普及 ,而ＵＳ定位定性准确率相对较低 ,ＰＴＣ准确率相对较高[13 ] 。本文搜集 5年来 Obstructive jaundice (hereinafter referred to as yellow) diagnosis, imaging examination has a very important position. US, PTC, CT, MRI and ERCP on the diagnosis of yellow value of the literature more than discussed. However, due to the limitations of the primary hospital, CT, MRI and other difficult to popularize at present, and US positioning qualitative accuracy is relatively low, PTC accuracy is relatively high [13]. This article collected five years