Abstract
Aneurysms of visceral arteries are uncommon and their rupture is rare. We report a case of an aneurysm of the marginal artery of Drummond, which was complicated by rupture leading to massive hemoperitoneum. A selective superior mesenteric arteriogram suggested the possibility of segmental arterial mediolysis (SAM) as a possible etiology and this was confirmed by histological examination. This is the first report of symptomatic SAM of the marginal artery of Drummond to date. This case demonstrates that the marginal artery of Drummond should be considered during the angiographic explorations for the source of hemoperitoneum. Management options are discussed.
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