Best answer: Is an acoustic neuroma a brain tumor?


What type of cancer is acoustic neuroma?

An acoustic neuroma (vestibular schwannoma) is a benign tumor that develops on the balance (vestibular) and hearing, or auditory (cochlear) nerves leading from your inner ear to the brain, as shown in the top image. The pressure on the nerve from the tumor may cause hearing loss and imbalance.

Is acoustic neuroma serious?

Even if acoustic neuroma is not growing, it can cause worsening hearing loss and balance function. If a growing acoustic neuroma is left untreated, it can cause a dangerous buildup of fluid in the brain or it can compress the cerebellum and brain stem, which can be life threatening.

What is the prognosis for acoustic neuroma?

The outlook (prognosis) is generally very good. Acoustic neuromas usually respond well to treatment and complications are uncommon. However, there is often some hearing loss in the affected ear after treatment. Fewer than 5 in every 100 acoustic neuromas come back.

Can an acoustic neuroma be fatal?

Untreated acoustic neuroma can be fatal

An acoustic neuroma is usually benign, but it can still be fatal if left untreated. This is because the tumour will keep growing. Once it runs out of space inside the small canal that links the inner ear to the brain, it begins to grow into the skull cavity.

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Can acoustic neuroma affect memory?

The psychiatric signs and symptoms reported in acoustic neuroma patients are usually described as transient, and these include mood changes, agitation, persecutory delusions, hallucinations, and memory loss and confusional episodes.

Can acoustic neuroma become cancerous?

They generally affect hearing, balance and facial nerves. Although acoustic neuroma is not cancer, tumors can be dangerous if they grow large and press against the brainstem or brain. The cause of acoustic neuroma is not known.

Do acoustic neuromas grow back?

Your doctor may want to watch a small neuroma to see how fast it grows. You may get regular tests to watch its growth. Neuromas that cause problems may be treated with radiation or surgery. An acoustic neuroma that is removed does not usually grow back.

Who operates on acoustic neuroma?

Once an acoustic neuroma is found, the patient is seen by a neuro-otologist, a doctor who specializes in the ears, nose & throat (Otolaryngology or ENT) that specializes in that hearing apparatus. Patients commonly get sent to a neurosurgeon as well.

When should an acoustic neuroma be removed?

Large left acoustic neuroma

Postoperative imaging three months after removal of the tumor shows complete resection. Treatment is generally recommended for patients whose tumors are growing or who have symptoms amenable to treatment, particularly if those patients are young.

Is acoustic neuroma surgery safe?

Hearing was preserved in 29% of patients with tumors under 2 cm. The overall complication rate was 20%; cerebrospinal fluid leak was the most common. Conclusion: These results show that with modern imaging and surgical techniques, acoustic neuroma surgery is extremely safe and outcomes are very good.

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How fast does acoustic neuroma grow?

Although most acoustic neuromas grow slowly, some grow quite quickly and can double in volume within 6 months to a year. Although some tumors adhere to one or another of these growth patterns, others appear to alternate between periods of no or slow growth and rapid growth.