Bilateral persistent sciatic artery with bilateral aneurysms: case report and review of the literature. ?

Persistent sciatic artery is a rare anomaly, only 33 cases having been reported to date. A 34th case is described in this report., The patient, a 45-year-old man, had bilaterally persistent sciatic arteries with bilateral aneurysms and acute ischemia due to distal embolization. The literature regarding the embryology, incidence and the problems of diagnosis and management of this rare condition is reviewed. The authors emphasize that in cases of aneurysm formation if the sciatic nerve adheres to the aneurysm no attempt should be made to excise the aneurysmal sac.