Teratoma arising from anomalous common bile ducts: a case report.

Teratoma arising from extrahepatic common ducts is very rare entity. The authors found 2 teratoma cases originating from common bile duct in the literature. As a third case, the authors report on a 4-month-old girl with benign cystic teratoma arising from distal common hepatic bile duct and with anomalous common bile ducts. Surgical management of the patient also is discussed.