CTICasesMid-Aortic Syndrome with Renal Artery Occlusion
Imaging findings
CT in a 24-year-old female shows a thrombosed SMA saphenous vein graft with collateralization via the arc of Riolan, severe narrowing of the infrarenal abdominal aorta, soft tissue thickening, and complete occlusion of the left renal artery, consistent with idiopathic mid-aortic syndrome.
Key takeaways
Mid-aortic syndrome is a rare, non-inflammatory disease characterized by segmental narrowing of the abdominal or lower thoracic aorta and its major branches. It is typically idiopathic and presents in children or young adults with severe renovascular hypertension.
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