APPLIED RADIOLOGICAL ANATOMY

Detailed explanation-1: -The posterior femoral cutaneous nerve of the thigh gives off three cutaneous branches. The branches are dispersed to the region of the buttock, the perineum and to the posterior thigh and leg.

Detailed explanation-2: -The posterior femoral cutaneous nerve, also known as the posterior cutaneous nerve of the thigh, is a sensory branch of the sacral plexus. It arises from anterior and posterior divisions of anterior rami of S1, S2 and S3 nerves. It supplies the skin of the posterior thigh, buttock and the posterior scrotum/labia.

Detailed explanation-3: -The posterior femoral cutaneous nerve is a sensory nerve comprised of fibers originating from the anterior and posterior divisions of the first three sacral segments. It exists the pelvis distal to the piriformis muscle and proceeds distally, superficial to and between the medial and lateral hamstring musculature.