Piriformis Syndrome Following Transarterial Embolization of Bilateral Uterine Arteriovenous Malformation

ABSTRACT

Piriformis syndrome is a rare entrapment neuropathy in which the sciatic nerve is compromised by the piriformis muscle or other local structures. We report a case of sciatic and gluteal nerve lesions with infarction of the piriformis muscle following internal iliac artery embolization of the bilateral uterine vascular malformation. The surgical intervention revealed anatomical variation of the right sciatic nerve. To our knowledge, this is the first case of piriformis syndrome following endovascular treatment of uterine vascular malformation in Korea.