is a noncancerous tumor. It grows on the acoustic nerve, which runs from the brain to the ear. This type of tumor typically grows slowly. It may cause hearing loss, balance problems, facial numbness, and headaches.
The Acoustic Nerve
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There are three main treatment options for an acoustic neuroma: Careful monitoringRadiation therapyMicrosurgical removal
This fact sheet focuses on microsurgical removal.
Tumor is growingConcern that tumor size may become life-threateningTumor is causing hearing problems
A successful procedure results in complete removal of the tumor with minimal additional hearing loss.
Side effects may be temporary or permanent. If you are planning to have this surgery, your doctor will review a list of possible complications. These may include: Hearing lossExcessive eye drynessDifficulty with balance
Ringing in your ears known as
tinnitusFacial weakness and numbness on the side of the tumorHeadachesInfectionBleedingLeakage of cerebrospinal fluid (CSF)
Some factors that may increase the risk of complications include: SmokingIncreased ageSize of the tumor
The following medicines may be given before the procedure: Steroids—usually started 48 hours before surgeryAntibiotic—given by IV right before surgery
Talk to your doctor about your medications. You may be asked to stop taking some medications up to one week before the procedure. These may include: Anti-inflammatory medicationBlood thinnersAnti-platelet medication
The type of procedure will depend on your condition. Factors such as hearing status and the size and location of the tumor will be considered. One of the following surgical methods will be selected:
This approach is often used when you already have significant hearing loss. The mastoid bone in the skull and bone in the inner ear will be removed. This allows access to the ear canal and the tumor.
An opening will be made in the skull behind the ear. This approach is used for large or small tumors. It makes it easier to see and protect the nerves during surgery.
The tumor will be removed from the upper surface of the ear canal. This approach is used when there is a good chance that hearing may be maintained.
You will spend at least one night in the intensive care unit for care and observation.
The surgery takes about 6-12 hours. The exact length will depend on the size and location of the tumor.
Anesthesia will prevent pain during the procedure. You may notice pain after the procedure. Talk to your doctor about medications to help manage the pain.
The usual length of stay is 4-7 days. Your stay may be longer if there are complications.
During recovery, you may have some of the following: Head discomfortFatigue and sleepinessEmotional lowsHeadacheLightheadednessNausea
Staff will help you manage these problems.
When you return home, follow these guidelines for a safe recovery: Keep the incision area clean and dry.Do not drive until your doctor allows it.Ask your doctor when you will be able to return to work.Ask your doctor when it is safe for you to shower, bathe, or soak in water.Take medicines as instructed.
Full recovery typically takes 4-6 weeks.
will be done regularly over the next several years. The scans will check to see if the tumor returns.
After you leave the hospital, contact your doctor if you have: Signs of infection, including fever, chills, and neck stiffnessWorsening headacheRedness, swelling, increasing pain, excessive bleeding, or any discharge from the incision siteNausea and/or vomiting that you cannot control with the medications you were given after surgery or that persists for more than two days after discharge from the hospitalPain that you cannot control with the medications you have been givenCough, shortness of breath, or chest painStiff neckRunny nose
In case of an emergency, call for medical help right away.
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Last reviewed June 2013 by Marcin Chwistek, MD; Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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