Choledochal cyst: a comprehensive review

ABSTRACT

The term choledochal cyst refers to a congenital lesion of the biliary tree [either intrahepatic or extrahepatic] characterised by dilatation which may be cystic or, less commonly, fusiform in appearance. More recently defined, choledochal cyst is a conglomerate of congenital cystic dilatation of the common bile duct, anomalous arrangement of the pancreaticobiliary ductal system and lack of sphincter function at the junction of the common bileduct and pancreatic duct