肝内胆管结石是原发性胆管结石的一部分,它是位于左,右肝管接合处上方的胆管结石.鉴于肝内胆管结石分布在肝内胆道系统、其发病和临床表现与一般胆石症有不同之处、而且其诊治措施也有特殊性,可以认为它是一个独立的疾病发病情况:肝内胆管结石的发病率的差异很大.西方国家的发病率远比东南亚地区低,Grassi等报告其发病率 Intrahepatic bile duct stones is a part of primary bile duct stones, it is located in the left and right hepatic duct junction above the bile duct stones in view of intrahepatic bile duct stones located in the intrahepatic biliary system, the incidence and clinical manifestations and general cholelithiasis There are differences, but also its diagnosis and treatment measures are also unique, it can be considered an independent disease incidence: the incidence of intrahepatic bile duct stones vary widely. The incidence of Western countries is far lower than in Southeast Asia, Grassi et al report Its incidence