Hepatic aneurysm

Hepatic aneurysms are a rare vascular lesion, classified as extrahepatic or intrahepatic; their size can range from the tip of a needle to grapefruit-like. The intrahepatic type often breaks into the bile duct and causes bile duct bleeding, and the extrahepatic rupture causes bloody abdomen. When a hepatic aneurysm is not ruptured, it is difficult to be found because it has no obvious clinical symptoms, so most of them are diagnosed only after rupture. The typical clinical manifestations of biliary bleeding caused by rupture include gastrointestinal bleeding, epigastric pain, and obstructive jaundice, but only about one-third of the cases have this triad. By 1980, more than 300 cases were collected from foreign literatures. By 1985, two cases of extrahepatic aneurysms had been reported in China. No intrahepatic aneurysms had been reported.

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