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A spinal tumor is a growth that develops within your spinal canal or bones of your spine. It may be cancerous or noncancerous. Tumors that affect the bones of the spine (vertebrae) are known as verteb...

Scoliosis is a sideways curvature of the spine that occurs most often during the growth spurt just before puberty. While scoliosis can be caused by conditions, such as cerebral palsy and muscular dyst...

The peroneal nerve is a branch of the sciatic nerve in the lower leg and can be damaged from trauma or injury to the leg or pressure on the leg. Symptoms include loss of sensation, inability to hold t...

A peripheral nerve tumor is a growth in or near nerves that transmit signals from your brain to the rest of your body. These nerves control your muscles so you can walk, blink, swallow, pick things up...

The brachial plexus is the network of nerves that sends signals from your spinal cord to your shoulder, arm and hand. A brachial plexus injury occurs when these nerves are stretched, compressed, or in...

A nerve biopsy is a surgical procedures to collect and test a sample of abnormal tissues. The biopsy sample is examined in the lab under a microscope. Biopsy results can help the care team determine a...

Carpal tunnel syndrome is a condition that causes numbness, tingling and other symptoms in the hand and arm. Carpal tunnel syndrome is caused by a compressed nerve in the carpal tunnel, a narrow passa...

A brain lesion is an abnormality seen on a brain imaging test, such as an MRI or CT scan. A brain lesion may involve small to large areas of your brain, and the severity of the underlying condition ma...

The cubital tunnel is a space in the elbow that allows for passage of the ulnar nerve around the elbow. This nerve also is known as the funny bone nerve. Cubital tunnel syndrome occurs when the nerve ...

A brain tumor is a mass or growth of abnormal cells in your brain or close to your brain. Many different types of brain tumors exist. Some brain tumors are noncancerous, or benign, and some brain tumo...