Risk Factors and Symptoms

Except for a history of brain radiation, there are no known risk factors for gliomas. There are some extremely rare gene mutations that increase the risk for developing these and other types of cancers. There is no known prevention.

Symptoms

Symptoms depend on many variables including the tumor location and size. Symptoms may include:

  • Headaches
  • Seizures
  • Nausea and vomiting
  • Drowsiness
  • Loss of appetite
  • Memory loss
  • Trouble with vision or hearing
  • Trouble with balance or walking
  • Slurred speech
  • Muscle or nervous system problems, such as weakness or paralysis
  • Mood, personality or behavior changes
  • Stroke-like symptoms

Speak with your doctor if you are experiencing any new, unexplained or changing symptoms. These symptoms can have other causes, many of which are non-cancerous. Although having symptoms does not mean you have a glioma, it is important to discuss any health concerns with your doctor who can help address your concerns and check for those other possible conditions as well as for a glioma.

Learn more about symptoms.

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