Case 41:   Biliary Cystadenoma

Diagnostic Category:

Clinical Presentation:

31 year old woman presents with abdominal pain.

CT: Typical, with multiple septations

Imaging Findings:

Multiphase CT reveals a multiseptated cyst in segment 4. Surgical pathology revealed mucinous cystadenoma with ovarian type stroma. Note the finger-like extension of the mass into a portal triad on the lower images.