Hemant Kumar Mishra

PERSISTENT SCIATIC ARTERY ANEURYSM: A RARE EMBRYOLOGICAL VASCULAR VARIANT

Persistent sciatic artery (PSA) is a rare congenital vascular anomaly. The incidence of PSA is between 0.025-0.05 percent based on angiographic studies. The patient usually presents with the pulsatile swelling in the buttock or ischemic peripheral vascular disease. It can occur in two different forms either complete or incomplete, on the basis of the development of femoral artery and major vascular supply of lower limb. We report a case of a PSA with aneurysm and thrombus formation in a 60 year female with swelling in left gluteal region and lower extremity