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Case Reports
. 2023 Oct 10;9(4):101348.
doi: 10.1016/j.jvscit.2023.101348. eCollection 2023 Dec.

Superior mesenteric aneurysm associated with median arcuate ligament syndrome and a single celiacomesenteric trunk

Drew J Braet  1 , Kian Pourak  2 , Frank M Davis  1 , Jonathan L Eliason  1 , Chandu Vemuri  1
Affiliations
Case Reports

Superior mesenteric aneurysm associated with median arcuate ligament syndrome and a single celiacomesenteric trunk

Drew J Braet et al. J Vasc Surg Cases Innov Tech. .

Abstract

Median arcuate ligament syndrome (MALS) is known to promote arterial collateral circulation development from mesenteric vessel compression and can lead to the development of visceral aneurysms. These aneurysms are often diagnosed at the time of rupture and pose a significant morality risk without appropriate intervention. A celiacomesenteric trunk is a rare anatomic variant in which the celiac artery and superior mesenteric artery share a common origin and has been postulated as a risk factor for developing MALS. In this report, we present a novel case of MALS in a patient with a celiacomesenteric trunk and a superior mesenteric artery aneurysm.

Keywords: Aneurysm; Celiac artery; Median arcuate ligament syndrome; Superior mesenteric artery.

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Conflict of interest statement

None.

Figures

Fig 1
Fig 1
Preoperative computed tomography angiograms. A, Three-dimensional reformatted computed tomography angiogram demonstrating a celiacomesenteric trunk (CMT), large inferior mesenteric artery collateral vessel, and a 1.8-cm superior mesenteric artery (SMA) aneurysm. B, Sagittal computed tomography angiogram cut depicting origin of the CMT with compression (white arrowhead) and SMA aneurysm (white arrow). C, Coronal computed tomography angiogram cut depicting CMT (white arrowhead) and SMA aneurysm (white arrow).
Fig 2
Fig 2
Angiogram demonstrating severe stenosis of the celiacomesenteric trunk (CMT) during end inspiration.
Fig 3
Fig 3
Postoperative computed tomography angiogram obtained at 6-month follow-up. A, Axial computed tomography angiogram cut depicting superior mesenteric artery (SMA) aneurysm, 1.8 cm in maximum diameter (white arrow). B, Sagittal computed tomography angiogram cut demonstrating resolved compression of celiacomesenteric trunk (CMT; white arrowhead) and stable SMA aneurysm (white arrow).
See this image and copyright information in PMC

References

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