Sindel Timur, Yilmaz Saim, Onur Ruhi, Sindel Muzaffer
Department of Radiology, Faculty of Medicine, Akdeniz University, Antalya 07070, Turkey.
Saudi Med J. 2006 May;27(5):721-4.
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.
持续性坐骨动脉（PSA）是指坐骨血管在成年期持续存在，而在胚胎发育早期它负责下肢的主要血液供应。PSA的发病率估计低至0.025 - 0.04%。我们报告2例PSA病例，其中1例合并动脉瘤，导致危及生命的出血。
