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Updated: Sep 15, 2025

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit
Published on: May 14, 2020
Ruptured left gastric and dilated right gastroepiploic artery aneurysms during corticosteroid pulse therapy in severe
Kazumasa Hanada1, Ayako Nishiyama1
1Department of Vascular Surgery, Saiseikai Kawaguchi General Hospital, Kawaguchi, Saitama, Japan.
Abstract:
We describe a case of a ruptured left gastric artery aneurysm during corticosteroid pulse therapy in a patient with severe nephrotic syndrome, followed by a dilated right gastroepiploic artery aneurysm within 2 months. Each aneurysm was treated by coil embolization. Other multi-artery aneurysms were identified and subsequently thrombosed or resolved. Multiple arterial aneurysms and rapid arterial transformations indicated segmental arterial mediolysis. Although corticosteroid therapy improves arteritis, it may cause rupture or dilatation of visceral artery aneurysms associated with segmental arterial mediolysis, and short-interval follow-up should be considered.
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