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Acoustic Neuroma

Basics

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Definition

An acoustic neuroma is a noncancerous (benign), often slow-growing tumor of the nerve that connects the ear to the brain. It is located behind the ear right under the brain.

Symptoms

The symptoms vary based on the size and location of the tumor. Because the tumor grows so slowly, symptoms usually start after the age of 30.

Common symptoms include:

  • Abnormal sensation of movement (vertigo)
  • Hearing loss in the affected ear that makes it hard to hear conversations
  • Ringing (tinnitus) in the affected ear

Less common symptoms include:

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