Kaposi's sarcoma is a rare malignant tumor characterized by spindle cells and angiomatoid structures. Hepatic KS is rarely reported in living patients, while autopsies show liver involvement in 35% of patients with KS. The characteristic findings on imaging are: 1) multiple nodules located mainly along the periportal area, intrahepatic bile ducts and peripheral branches of the portal vein; 2) delayed contrast enhancement, or sometimes enhanced in the type of hepatic hemangioma; 3) dilated intrahepatic bile ducts; 4) enlarged lymph nodes in the retroperitoneal region; 5) multifocal lesions in various organs. Those findings are considered indicative of hepatic KS.
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