CASE 195

History: A 45-year-old man has abnormal liver function tests.

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

A. Hepatic artery occlusion

B. Ischemic hepatitis

C. Fluid collection

D. Budd-Chiari syndrome

E. Metastasis

2. What is the most common cause of hepatic infarction secondary to hepatic artery occlusion?

A. Liver transplantation

B. Hypercoagulability

C. Vasculitis

D. Infection

3. Which of the following statements regarding the imaging appearances of hepatic infarction is true?

A. The presence of gas is diagnostic of infection.

B. Infarction may be complicated by formation of bile lakes.

C. Contrast-enhanced imaging is required to make the diagnosis.

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