Classification and surgical managements of congenital biliary dilatation        ZHOU Ning-xin, XIE Yu. Research Institute of Hepatobiliary Surgery, the Second Artillery General Hospital，Beijing100088，China
Corresponding author: XIE Yu, E-mail: suzhouxieyu@163.com
Abstract    Todani has classified congenital biliary dilatation I-V type. To I, Ⅱ and IV type, choledochal cyst should be resected totally plus Roux-en-Y hepaticojejunostomy. To Caroli disease, lobe or segmentectomy may be choiced if the lesion is limited. To those frequently-occuring disease, it should mainly treat the complications such as cholangitis and intrahepatic bile duct stones, and liver transplatation maybe choiced if necessary. To central type, capsule wall should be resected as far as possible. The managements should be diversified and the surgical indications should be kept in mind.