Acoustic neuroma

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Definition

By Mayo Clinic staff

Although it's frightening to learn that you have a tumor growing inside your head, it may be somewhat comforting to know that an acoustic neuroma is noncancerous (benign) and usually slow growing. These tumors develop adjacent to your brain on a portion of the eighth cranial nerve, which runs from your brain to your inner ear. Also known as vestibular schwannoma, acoustic neuroma is one of the most common types of brain tumors.

Symptoms of acoustic neuroma, including hearing loss, develop from the tumor pressing on the nerve. But, acoustic neuromas don't invade brain tissue like cancer does.

For some people, an acoustic neuroma remains so small it never causes problems. Treatment options include regular monitoring, radiation and surgical removal.

DS00803

Sept. 6, 2008

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