Missed choledochal cyst: a rare presentation and review of literature

Choledochal cysts remained uncommon and less reported anomalies of biliary system till recently. "Forme Frustae choledochal cyst" was coined by Lilly in 1985 and the entity can very easily be missed during first surgery. The present case is a 35 years old female who was admitted for elective Cholecystectomy with Choledochotomy. Due to excessive T-tube drainage for prolonged period of time and fusiform dilatation of CBD on postoperative T-tube cholangiogram and MRCP, patient was subjected to second surgery and hepaticojejunostomy was done successfully and patient discharge from hospital on 9th postoperative day. The case is being presented due to it's rarity vis a vis reviewing the literature on the subject.