J Korean Soc Radiol.  2020 Nov;81(6):1517-1522. 10.3348/jksr.2020.0029.

Bilateral Persistent Sciatic Arteries Complicated with Aneurysmal Dilatation and Thrombotic Occlusion: A Case Report

Affiliations
  • 1Department of Radiology, Dongguk University Ilsan Hospital, Dongguk University School of Medicine, Goyang, Korea

Abstract

Persistent sciatic artery (PSA), a rare congenital vascular anomaly, increases susceptibility to aneurysms and accounts for 40–61% of the cases. Here, we describe a case of PSA in a 70-yearold man with a history of alcoholic liver cirrhosis. Bilateral complete PSAs were detected incidentally on computed tomography angiography during evaluation for spontaneous intramuscular bleeding in the thigh due to cirrhosis-related coagulopathy. Selective angiography of the left PSA revealed aneurysmal dilatation and thrombotic occlusion of the PSA, which was partially removed with aspiration thrombectomy. Intramuscular bleeding was succesfully managed with empirical embolization of the deep femoral artery.

Keyword

Lower Extremity; Computed Tomography Angiography; Endovascular Procedures; Aneurysm; Thrombosis; Congenital Abnormalities
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