Saccular diveiculum of extrahepatic bile duct in choledochal cyst is classified as
Type 1b -saccular dilatation of extrahepatic biliary tree, Type 2-diveiculum of extrahepatic biliary tree Type 3-cystic dilatation of intraduodenal pa of CBD Type 4- dilatation of multiple pas of an extrahepatic biliary tree, dilatation of intrahepatic and extrahepatic biliary tree. Reference SRB edition 5. page637
Type I
Type II
Type III
Type IV
G.I.T