Extrinsic compression of the superior mesenteric artery (SMA) by the median arcuate ligament (MAL) is an uncommon entity. The authors report a case of compression of the SMA by the MAL in a patient with celiac artery occlusion and intestinal angina. Arteriography and computerized tomography were suggestive of the diagnosis. Division of the fibrous bands of the MAL extending onto the anterior surface of the SMA relieved the arterial compression, with subsequent resolution of the patient's symptoms.
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