Fig. 1From: Nerve entrapment syndromes of the lower limb: a pictorial reviewa The conventional relation of the sciatic nerve to the piriformis muscle is illustrated. b, c A 41-year-old male with piriformis syndrome. Sagittal oblique PD (b) and coronal PD (c) of the right hip show that the sciatic nerve (yellow arrow) has an anomalous path, with a branch piercing the right piriformis muscleBack to article page