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Figure it out fridays 


A 30-year-old man presented with a 15-month history of intermittent discomfort in the right upper quadrant of the abdomen. He lived in a rural area of Morocco and had occasional contact with dogs. The physical examination revealed hepatomegaly with a palpable hepatic mass. Laboratory tests showed a normal white-cell count and a normal absolute eosinophil count. Ultrasonography and computed tomography of the abdomen revealed a large cyst in the right lobe of the liver.

What is the diagnosis?

A. Primary hepatic carcinoma

B. Autoimmune hepatitis

C. Primary biliary cholangitis

D. Amebiasis

E. Cystic Echinococcus

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