Acetabular Paralabral Cyst -A rare cause of Sciatica - An interesting case for management.

Abstract

Sciatica is defined as pain experienced along the sciatic nerve distribution. Extraspinal pathology associated with symptoms and signs of sciatica are infrequent. We here by present such case of acetabular paralabral cyst causing sciatica in a 35 year old male with history of hip pain radiating to posterior aspect of thigh. On examination of spine, except for SLRT test others are normal. . X-Ray of Lumbosacral Spine and Right hip and MRI lumbosacral spine was normal. A MRI pelvis with both hips was ordered to rule out hip and sacroiliac joint pathology and it revealed Right Acetabular Paralabral cyst impinging Right Sciatic Nerve. A diagnosis of right acetabular paralabral cyst with sciatic nerve                    compression was made. Through southern approach cyst was excised. Post operatively, the patient noted relief of pain. Started partial weight bearing at 3 weeks. At 2 year follow

up the patient was comfortable without complaints. HPE  consistent with Ganglion cyst. To our knowledge,Only three cases of such cysts causing sciatica have been reported in literature, hence this case need to be reported.