CASE 200

History: A 50-year-old woman presents with upper abdominal pain.

1. What should be included in the differential diagnosis of the imaging finding shown in Figure A? (Choose all that apply.)

A. Hydatid cyst

B. Hemangioma

C. Hepatic abscess

D. Biliary hamartoma

E. Biliary cystadenoma

2. Which of the following statements regarding biliary cystadenomas is true?

A. Biliary cystadenomas are more common in women.

B. The most common presentation is jaundice.

C. Most progress to cystadenocarcinoma.

D. The treatment of choice is enucleation of the cyst.

3. Which of the following imaging features is most useful to differentiate a biliary cystic neoplasm from a simple hepatic cyst?

A. Lesion size

B. Thick outer wall

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