Abstract
Persistent sciatic artery is a rare congenital vascular anomaly of the lower extremity. This artery is predisposed to atherosclerosis or aneurysm formation. Persistent sciatic artery aneurysm often causes limb-threatening ischemia owing to its thrombosis or its mural thrombus. We report a case of successful transcatheter coil embolization for persistent sciatic artery aneurysm. An 89-year-old woman presented to our hospital, suffering from severe ischemia of the right leg and a pulsatile mass in the right buttock. Angiography and enhanced computed tomography revealed right persistent sciatic artery aneurysm with mural thrombus and complete occlusion of the distal end. After she underwent major amputation because of the advanced ischemia following unsuccessful thrombectomy, we performed coil embolization for the aneurysm successfully. Endovascular treatment including transcatheter embolization for persistent sciatic artery aneurysm is safe, effective, and less invasive than surgery. Its application gives various therapeutic options for the treatment of persistent sciatic artery aneurysm.
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