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Understanding acoustic neuromasUnderstanding Acoustic Neuromas
Contributed by Debbie Clason, staff writer, Healthy Hearing Acoustic neuromas are rare, benign brain tumors that develop on the eighth cranial nerve, known as the vestibulocochlear nerve. This nerve leads from your inner ear to the brain and is responsible for hearing and balance. ![]() vestibular schwannomas. According to the National Organization of Rare Diseases (NORD), these slow-growing tumors occur in one of every 100,000 people who are between the ages of 30 and 60. They affect more women than men. Approximately 2,500 new cases are diagnosed each year. Acoustic neuroma causesMedical professionals aren’t certain what causes acoustic neuromas. Most of these tumors appear spontaneously, without any previous health condition or genetic predisposition. However, in some cases people inherit a genetic disorder known as neurofibromatosis 2, which causes tumors to grow on nerves. Other risk factors include loud noise exposure, childhood exposure to low-dose radiation of the head and neck, and a history of benign tumors in the parathyroid glands in the neck. Acoustic neuroma symptomsWhen they grow and press against neighboring cranial nerves or brain structures, acoustic neuromas can cause a variety of physical problems. Symptoms may include:
Diagnosis of acoustic neuromaIf you experience any of these symptoms, make an appointment to see your family physician. Because the majority of these tumors appear spontaneously without any previous health conditions, they are often difficult to diagnose. If your doctor suspects you have an acoustic neuroma, she may refer you to an otolaryngologist (an ear, nose, throat doctor) or neurologist to have the following tests:
Acoustic neuroma treatmentsThe treatment for an acoustic neuroma depends upon its size, location, and your physical and hearing health. Options include:
More aggressive treatment is usually recommended for people with neuromas that are near or pressing on the brain stem, which regulates basic functions like breathing. These tumors can be life threatening. Coping with acoustic neuromasIf you’re diagnosed with an acoustic neuroma, it's normal to feel upset and scared. In most cases, acoustic neuromas are bothersome but not life-threatening. Your medical team will help you decide whether or not surgery is an option and how to cope with any uncomfortable symptoms—such as headaches, dizziness or tinnitus—caused by the tumor. The most important thing to remember is to follow the recommended plan of treatment and see your healthcare professionals regularly to keep an eye on things. Also, the Acoustic Neuroma Association provides support groups and resources, and may be helpful to you as you navigate the healthcare system. Debbie Clason, staff writer, Healthy Hearing
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