Atypical hepatocellular carcinoma
70 year old man hospitalized after a spontaneous deep vein thrombosis. Laboratory showed leukocytosis and elevation of CRP, a screening abdominal CT was performed.
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Triphasic liver scan was performed which demonstrates a protruding mass in IV and V segment of the liver with a possible infiltration of the gallbladder. In arterial and portal venous phase the lesion mimics a cavernous hemangioma. Ring enhancement is showed during delayed phase consistent with hepatocellular carcinoma. The liver otherwise is unremarkable. No features of cirrhosis or portal hypertension are noted.