[The persistent sciatic artery aneurysm. A rare and painful buttock mass]

Abstract

The persistent sciatic artery is a rare cause of painful buttock mass with L5-S1 radicular signs. A 56-year-old man presents a right painful buttock mass with L5-S1 radicular symptoms for 3 years. The surgical exploration found a pulsatile vascular mass like a persistent sciatic artery aneurysm. This vascular pathology is a misunderstood embryogenesis anomaly. The treatment aims to avoid serious complications. This pathology must be known from plastic surgeon.

Keywords: Aneurysm; Anévrisme; Artère sciatique persistante; Buttock; Fesse; L5-S1 radiculalgy; Mass; Masse; Nerf sciatique; Persistent sciatic artery; Radiculalgie L5-S1; Schwanoma; Schwanome; Sciatic nerve; Tumeur; Tumor.