The meninges are a protective lining around the brain and spinal cord. A meningioma is a tumor of these linings. Most meningiomas do not cause symptoms. But, if the meningioma grows, it can push on important parts of the brain. These tumors may be graded I-III, with III being the most aggressive.Malignant meningiomas, also called anaplastic, are less common. These tumors are faster growing and very likely to return.
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The exact cause of meningiomas is unknown. The development appears to be associated with genetics and certain hormones.

Risk Factors

Meningiomas are more common in women, and in those aged 40-70 years. Other factors that may increase your chance of meningioma include:
  • History of breast cancer or sarcoma, as part of the Li-Fraumeni syndrome
  • Neurofibromatosis type 2 (NF2)
  • Exposure to radiation, especially to the head


Symptoms of meningioma are usually related to the area of the brain that is affected. Symptoms can also be due to an increase in the pressure inside the skull. Symptoms may include:
  • Headaches
  • Vomiting
  • Double vision
  • Slurred speech
  • Changes in behavior
  • Seizures
  • Loss of sensation or weakness in the arms and legs
  • Loss of bladder or bowel control
  • Language deficits
  • Difficulty with learned movements
  • Loss of coordination
  • Difficulty writing
  • Intellectual difficulty


You will be asked about your symptoms and medical history. A physical exam will be done. You will have a neurological examination.The brain can be evaluated with imaging tests. These may include: Your brain activity may need to be measured. This can be done with an electroencephalogram (EEG).
MRI of Meningioma in the Brain
Meningioma MRI
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