Facts and Stats

Facts About Lesions

    • A brain lesion is any damage in the brain.
    • Brain lesions are caused by trauma, infection, cancer, poor blood flow, genetics, immune disease, chemical exposure, and radiation.
    • Patients with brain lesions may have:
  • Headaches
  • Nausea
  • Vomiting
  • Decreased appetite
  • Changes in mood, personality, and behavior
  • Cognitive decline
  • Inability to concentrate
  • Vision problems
  • Hearing and balance problems
  • Muscle stiffness
  • Weakness
  • Numbness or paralysis
  • Change in or loss of sense of smell
  • Memory loss
  • Confusion
  • Seizures
  • Coma
  • Diagnosis of a brain lesion begins with a doctor’s visit to discuss medical and family history and symptoms. The physician may take photographs of the brain. Diagnosis of some brain lesions may require a sample to be taken from the brain.
  • A treatment plan is determined by the patient and his or her doctor. Patients receive individualized treatments for brain lesions.
  • Outcomes for treating brain lesions depend on the type of lesion, the patient, and how well the treatments work for the patient.
  • For every 100,000 people in the United States, about 221 are living after the diagnosis of a brain tumor. (ABTA)
  • About 23,380 cancerous tumors of the brain or spinal are expected to be diagnosed per year. This does not include non-cancerous brain tumors. (ACS projected for 2014)


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