[Cystic dilatation of the common bile duct].

The Authors report a case of cystic dilatation of the common bile duct and a review of the Literature. The lesion is a congenital malformation of infancy or childhood, being rare in adult life. The main symptoms are biliary colic with jaundice and fever. Modern techniques such as abdominal ultrasonography, CT, ERCP, PTC generally provide to achieve preoperative diagnosis. When radical surgery is possible the complete excision of the cyst is the management of choice. The case reported is classified as type 1 of Todani's classification. Surgical management consisted in a complete excision of the cyst. Bile flow was re-established by hepaticojejunostomy.