RT Journal Article SR Electronic T1 Persistent sciatic artery. Radiologic features and patient management JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 721 OP 724 VO 27 IS 5 A1 Sindel, Timur A1 Yilmaz, Saim A1 Onur, Ruhi A1 Sindel, Muzaffer YR 2006 UL http://smj.org.sa/content/27/5/721.abstract AB Persistent sciatic artery PSA represents the persistence of the sciatic vessel in adult life that is responsible for the major blood supply to the lower limb in early embryologic development. The incidence of PSA has been estimated as low as 0.025-0.04%. We present 2 cases of PSA, one of which was complicated by an aneurysm that led to a life-threatening hemorrhage.