2Lenriot JP, Gigot JF, Segol P, et al. Bile duct cysts [J]. Ann Surg, 1998; 228:159- 166.
3Yoshida H, Itai Y, Minanmi M, et al. Biliary malignancies ocurring in choledochal cysts[J] .Radiology, 1989; 173: 389-392.
4Ishibashi T,Kasahara K, Yasuda WC, et al. Malignant change in the biliary tract after excision of choledochal cyst [J]. Br J Surg,1997; 84: 1687- 1691.
5Serradel AFS, Linares ES, Goepfert RH.Cystic dilatation of the cystic duct: A new Type of biliary cyst [ J ]. Surgery, 1991,109: 320-322.
6Chijiiwa K, Koga A. Surgicla management and long term follow up of patients with choledochal cysts [J]. Am J Surg, 1993; 165:238 - 242.
