Case 228: Choledochal Cyst

Diagnostic Category:

Clinical Presentation:

18 year old woman with chronic abdominal pain. Ultrasound (not shown) revealed an abnormality upon which other imaging modalities were performed

CT: Type 4a

Imaging Findings:

CT demonstrates choledochal cyst (Todani classification type 4a). There is cystic dilatation of the common bile duct with extension of dilatation into the right and left main intrahepatic ducts.