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<\/figure><\/div>\n\n\n\nA small percentage of acoustic neuromas are the result of an inherited disorder called neurofibromatosis type II (NF2), associated with a malfunctioning gene on chromosome 22. This genetic disorder often causes benign tumors to develop on the balance nerves on both sides of the head. <\/p>\n\n\n\n
More often than not, acoustic neuromas are classified as sporadic, meaning their exact cause is unknown. There is some evidence of a connection between exposure to low-dose radiation of the head and neck during childhood and the development of acoustic neuromas. <\/p>\n\n\n\n
There are no known risk factors for acoustic neuromas other than having a parent with NF2. If this is the case, children have a 50 percent chance of inheriting the condition themselves. <\/p>\n\n\n\n
What Are the Symptoms of Acoustic Neuromas? <\/h2>\n\n\n\n
Acoustic neuromas, sometimes called vestibular schwannomas, usually grow very slowly (or not at all). Because of this, symptoms early on are often difficult to spot. You may notice gradual hearing loss that is sometimes accompanied by tinnitus. <\/p>\n\n\n\n
If the tumor continues to grow, additional symptoms are likely to develop. These include dizziness and vertigo, facial numbness and weakness, a tingling sensation in the face, changes in taste, hoarseness, difficulty swallowing, headaches and confusion. Early diagnosis and treatment can help prevent more serious symptoms. <\/p>\n\n\n\n
How Are Acoustic Neuromas Treated? <\/h2>\n\n\n\n
Your otolaryngologist can diagnose an acoustic neuroma primarily through a review of your symptoms in conjunction with a hearing test and imaging scans (CT or MRI). Because growth of the tumor is usually very slow, many times your doctor will simply want to monitor the tumor\u2019s progress over time, especially when few symptoms are present. Regular imaging tests every six to 12 months can track any growth. <\/p>\n\n\n\n
Surgery may be an option for tumors that are growing or causing symptoms. Gamma Knife radiosurgery delivers radiation without the need for an incision, but results can take a long time. More invasive surgery may be required, especially if your tumor is growing close to the brain or facial nerve. <\/p>\n\n\n