Biphasic clinical course of a ruptured right gastric artery aneurysm caused by segmental arterial mediolysis: a case report

Gastric artery aneurysms are rarely caused by segmental arterial mediolysis (SAM), a condition that often involves multiple vessels. The clinical course of SAM after vessel rupture may vary depending on the involved vessels. For example, the “double-rupture phenomenon” observed following the rupture of the splenic artery aneurysm manifests as a biphasic and relatively slow clinical course. Even…

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