Choledochal Cyst and Anomalous Union of Pancreaticobiliary Duct in the Adult / 대한소화기내시경학회지

Background/Aims: Choledochal cyst is a congenital dilatation of extra- or intrahepatic bile duct. Recently, anomalous union of pancreaticobiliary duct(AUPBD) is supposed to be one of the major causes of choledochal cyst. The aims of this study are to assess the association ratio of AUPBD in choledochal cyst and whether the AUPBD in choledochal cyst have a clinical significance. Methods: The study subjects were 35 adult patients who were diagnosed by ERCP in Asan Medical Center from August, l990 to July, 1995. We have classified the type of choledochal cyst and AUPBD according to Todani and Kimura, respectively.