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Brain Lesions (Lesions on the Brain) (cont.)

Brain Lesions Types

Brain lesion types are vast, but there are terms and categories that help to classify the various conditions. The major types of brain lesions are listed below, along with an example within that category:

  • Traumatic: gunshot wound to the brain
  • Infectious: meningitis
  • Malignant (cancerous): glioma
  • Benign (non-cancerous): meningioma
  • Vascular: stroke
  • Genetic: neurofibromatosis
  • Immune: multiple sclerosis
  • Plaques (deposits of substances in brain tissue):Alzheimer's disease
  • Brain cell death or malfunction:Parkinson's disease
  • Ionizing radiation: radiation exposure leading to death of normal brain tissue

There are other types of brain lesions that have been associated with exposure to chemicals (nitrites), toxins (pesticides), and electromagnetic fields, but because research is ongoing with these associations, some investigators may consider these as potential causes of brain lesions.

Finally, there are brain lesions that are of mixed types (for example, genetic with brain cell death as seen in Huntington's disease). Although these general types listed above are not accepted by all medical professionals, they are a starting point for many to help caregivers explain what type of brain lesion an individual may have.

Medically Reviewed by a Doctor on 5/27/2014
Medical Editor:

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