title: Ultrasonography in the diagnosis of a type 1 choledochal cyst.
abstract: We have described an adult patient with a type 1 choledochal cyst and without jaundice. Ultrasonography demonstrated a cystic mass in the right upper quadrant and dilated bile ducts.
mesh_terms: D003137:Common Bile Duct Diseases / Q000151:congenital / Q000175:diagnosis*; D003560:Cysts / Q000151:congenital / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008875:Middle Aged; D014463:Ultrasonography