Choledochal cyst
Carcinoma in Choledochal cyst More than half tumors occur within the cyst itself(intracystic) and may recur after cyst excision Risk of malignancy is decreased after cyst excision, but risk persist even after cyst excision Type I and IV cysts have highest risk of cancer When present most commonly seen along posterior cyst wall If is age related Ref: Sabiston 20th edition Pgno :1511
Mostly present in adulthood
Excision is infrequently done
Presents as slowly progressive jaundice
Can lead to carcinoma
G.I.T