CASE 169

History: A 69-year-old man presents with hematemesis.

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

A. Cavernous transformation of the portal vein

B. Hepatoportal arteriovenous malformation

C. Hemangioma of the portal vein

D. Aneurysm of the portal vein

E. Agenesis of the portal vein

2. What is the most common cause of portal vein thrombosis in adults?

A. Cirrhosis

B. Portal sepsis

C. Hypercoagulability

D. Abdominal surgery

3. What is the specific feature of portal venous obstruction that results in cavernous transformation?

A. Etiology

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