Choledochal cyst—classification

Choledochal cyst—classification

Type 1 Fusiform dilatation of bile duct

Type 2 Diverticulum protruding from the wall of the CBD

Type 3 Dilatation of the bile duct within the duodenum (choledochocele)

Type 4A Multiple dilatations of intrahepatic and extrahepatic bile ducts (both)

Type 4B Multiple dilatations involving only the extrahepatic bile ducts

Type 5 Multiple dilatations of intrahepatic bile ducts also called Caroli’s disease

Mnemonic: Fausi dives due 2 extra care