Metachronous Rupture of Pancreatoduodenal Artery Aneurysm with Median Arcuate Ligament Syndrome: A Case Report and Review of 11 Cases

Median arcuate ligament syndrome (MALS) involves narrowing of the celiac artery root from MAL compression, leading to pancreatoduodenal artery aneurysm (PDAA) due to increased retrograde blood flow from the superior mesenteric artery into the PDA. We encountered a case in which coil embolization was...

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Bibliographic Details
Published in:Internal Medicine 2024, pp.3338-23
Main Authors: Arino, Hiroto, Wada, Masaya, Kobayashi, Hiroyuki, Yoshida, Atsushi, Oka, Shojiro, Inokuma, Tetsuro
Format: Article
Language:English
Subjects:
coil embolization
Median arcuate ligament syndrome (MALS)
pancreatoduodenal artery aneurysm (PDAA)
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Summary:Median arcuate ligament syndrome (MALS) involves narrowing of the celiac artery root from MAL compression, leading to pancreatoduodenal artery aneurysm (PDAA) due to increased retrograde blood flow from the superior mesenteric artery into the PDA. We encountered a case in which coil embolization was performed for PDAA rupture due to MALS. Four years later, a second PDAA occurred and ruptured, necessitating coil reembolization. There have been no reports of recurrence during long-term follow-up after PDAA treatment in patients with MALS. We herein report a rare case of metachronous PDAA rupture in the context of MALS. The relevant literature and 11 PDAA/MALS cases are discussed.
ISSN:0918-2918
1349-7235
1349-7235
DOI:10.2169/internalmedicine.3338-23