Case 224: Choledochal Cyst

Diagnostic Category:

Clinical Presentation:

39 year old woman with incidentally found liver lesion on CT done for lower abdominal pain.

US: Choledochal cyst type 2 with stone

Imaging Findings:

Choledochal cyst (Todani type 2) with stone. Gray-scale ultrasound images at the region of the gallbladder show a large cystic structure with very thin wall harboring several calculi with posterior acoustic shadowing. Gallbladder is not depicted on these images. See MR to better see topographic relationship to the gallbladder.