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  • Meningioma

    A meningioma is a tumor that arises from the meninges, or protective coverings, of your brain and spinal cord. Your meninges are made up of three layers of tissues that occupy the space between your brain and skull and your spinal cord and spine.

    Meningiomas usually are benign, meaning they do not invade nearby tissue and they do not metastasize, or migrate, to other parts of your body.

    Additional Information

    How common are meningiomas?

    It is difficult to determine the rate at which meningiomas occur because so many of them do not produce any symptoms. In fact, between one and two percent of autopsies reveal a meningioma that was not known to the individual during their lifetime.

    With the advent of modern medical imaging, the rate at which meningiomas are discovered has tripled, resulting in an estimated occurrence rate of 19 cases per 100,000 individuals, or 0.02 percent.

    Who gets meningiomas?

    People who have been exposed to excessive amounts of radiation, especially to their scalp, may have an increased risk of developing a meningioma.

    They are also more common in people over the age of 50, and in people diagnosed with neurofibromatosis type 2 (NF-2).

    How are meningiomas diagnosed?

    The presence of a tumor can be ascertained by diagnostic imaging—usually computed tomography (CT) or magnetic resonance imaging (MRI). Your doctor may suspect a meningioma based on imaging alone, but a biopsy will be required to provide you with a definitive diagnosis.

    Symptoms of Meningioma

    Many benign meningiomas have an extremely slow rate of growth and do not cause symptoms.

    Some meningiomas grow in a way that can put pressure on your brain, your skull, or other structures in your head. If this is the case, your exact symptoms will depend largely on the location of the meningioma. However, some symptoms you may notice can include:

    • Headache
    • Nausea
    • Vision changes
    • Weakness, difficulty walking, and coordination problems
    • Seizures

    Keep in mind that a meningioma cannot be diagnosed based on symptoms alone. Only a medical professional can provide you with a definitive diagnosis.

    Please seek the help of a medical professional if you are concerned about your health, and dial 9-1-1 if you are experiencing an emergency.

    Treatments for Meningioma

    If your meningioma is not causing symptoms, or if your symptoms are mild, tolerable, and not getting noticeably worse, your doctor may recommend simple observation. This involves diagnostic imaging repeated periodically to monitor the size of your meningioma.

    If your tumor is causing symptoms, your doctor may recommend radiation therapy (Cyberknife or Gamma Knife) or traditional surgery to remove the tumor.

    Chemotherapy is generally only used as a last-resort treatment for meningiomas.

    Request an Appointment with a Meningioma Specialist

    Call (602) 406-3181

    • Date of last review: January 9, 2020

    About Barrow Neurological Institute
    Since our doors opened as a regional specialty center in 1962, we have grown into one of the premier destinations in the world for neurology and neurosurgery. Our experienced, highly skilled, and comprehensive team of neurological specialists can provide you with a complete spectrum of care–from diagnosis through outpatient neurorehabilitation–under one roof. Barrow Neurological Institute: Discover. Educate. Heal.