Saturday, April 24, 2010

Hearing Nerve Tumors

Summary of Hearing Nerve Tumors too long (max 500 characters)

Definition:
Hearing Nerve Tumor (Neroma Acoustics, Acoustic Neurinoma, vestibular Schwannoma, VIII nerve tumor) is a benign tumor derived from Schwann cells (which wrap the nerve cells). 7% of the tumors that grow inside the skull is the auditory nerve tumors.


Cause:
The cause is unknown.

Symptoms:
Symptoms initially are deaf, tinnitus (ringing in the ears), dizziness and imbalance in the body. Other symptoms may occur after the tumor grew larger and pressing the rest of the brain, the facial nerve (trigeminal nerve that connects the eyes, mouth and jaw).

Diagnosis:
Early diagnosis is established based on the results of an MRI examination and hearing tests (including ABSR / auditory brain stem response rate of wave travel to the brain, nerves).

Treatment:
To avoid damage to the facial nerve, small tumors removed surgically micro. Larger tumors removed surgically wider.



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