It is a mass or lump of abnormal, soft tissue that develops in the peripheral nerves, which are responsible for regulating the muscles that allow different functions in the body such as walking, blinking, and swallowing, among others.
A benign tumor of the peripheral nerves can develop in any part of the body. Although it is not cancerous, it can damage the peripheral nerve and cause loss of function in the affected area.
The cause of a benign peripheral nerve tumor is unknown, but it may be related to genetic alteration or hereditary syndromes such as neurofibromatosis type 1 and type 2, and schwannomatosis. People who receive or received radiation therapy treatments for cancer have a greater predisposition to developing a peripheral nerve tumor.
There are various types of tumors, the most common being: