Spontaneous Hemorrhages from Two Arteries Preceding Rupture of a Hepatic Artery Aneurysm : A Possible Case of Multiple Congenital Visceral Aneurysms
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A 20-year-old man with two episodes of spontaneous hemorrhage occurring about 1 month before a hepatic artery aneurysm rupture is presented. The first hemorrhage appeared as intraperitoneal bleeding from a subserosal hematoma of the ascending colon, but soon after surgery the patient required transcatheter embolization for bleeding from a branch of the left iliac artery. The hepatic artery aneurysm was identified at emergency laparotomy a few weeks later. In retrospect, the earlier hemorrhages probably similarly represented small congenital visceral aneurysms. Multiple visceral aneurysms of a congenital nature involving different arteries are extremely rare. We here report a case with a unique combination of arterial sites.