A dermatome is an area of skin that gets its sensation from a specific spinal nerve root. Spinal nerves exist in 31 pairs, one on each side of the spine. These nerves send signals for things like ...

A study has found, for the first time in humans, that patients with chronic sciatica -- back pain that shoots down the leg -- have evidence of inflammation in key areas of the nervous system. A study ...

A 32 year-old man presented with progressive numbness and pain radiating from the back to the anterior and medial thigh. Schwannoma: MRI Scans of the Lumbar Spine; (Left Top) T1-weighted axial; (Left ...