Neoplastic pseudoaneurysm of the superior mesenteric artery.
The authors describe a case of pseudoaneurysm of the superior mesenteric artery caused by arterial invasion by a liposarcoma. Neoplastic pseudoaneurysms are rare; most are due to sarcomas and usually involve veins.
D000368:Aged; D000783:Aneurysm / Q000000981:diagnostic imaging / Q000209:etiology*; D006801:Humans; D008080:Liposarcoma / Q000150:complications* / Q000000981:diagnostic imaging; D008297:Male; D008638:Mesenteric Arteries / Q000000981:diagnostic imaging; D011859:Radiography