Imaging and clinical findings in segmental arterial mediolysis (SAM).

Abdom Radiol (NY)

Department of Radiology, Mayo Clinic in Arizona, 5777 E. Mayo Blvd, Phoenix, AZ, 85054, USA.

Published: February 2017

Segmental arterial mediolysis (SAM) is an uncommon, non-atherosclerotic, non-inflammatory arteriopathy that tends to affect the medium-sized splanchnic branches of the aorta along with renal, carotid, cerebral, and coronary arteries. The clinical presentation ranges from asymptomatic to severe, life-threatening intra-abdominal hemorrhage and shock. SAM overlaps clinically and radiologically with other inflammatory vasculitides. This article describes the pathologic-radiologic correlation, imaging findings, and the management of the disease. Radiologists should be familiar with this disease entity as imaging plays a crucial role in the diagnosis.

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http://dx.doi.org/10.1007/s00261-016-0887-4DOI Listing

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