title: Observation of cystic dilatation of the common bile duct by ultrasonography.
abstract: We have studied a patient with congenital cystic dilatation of the common bile duct who had undergone ultrasonography five times in 6 mo before operation. Ultrasonography revealed that the duct was distended with inflammation, and was deflated when inflammation was not present.
mesh_terms: D002675:Child, Preschool; D002761:Cholangitis / Q000150:complications / Q000209:etiology; D003137:Common Bile Duct Diseases / Q000151:congenital / Q000175:diagnosis*; D003560:Cysts / Q000151:congenital / Q000175:diagnosis*; D005260:Female; D006801:Humans; D014463:Ultrasonography