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What does a white spot on a brain MRI mean?

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Quick Answer

A white spot on a brain MRI, referred to as white matter or a brain lesion, shows an area of injury or disease, but can result in a number of diagnoses, according to the Mayo Clinic. The potential diagnoses range from harmless and controllable to possibly life threatening.

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What does a white spot on a brain MRI mean?
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Full Answer

White or dark spots on a CT brain scan could indicate conditions such as aneurysms, encephalitis, multiple sclerosis or traumatic brain injury, notes the Mayo Clinic.

If a white or drak spot on the brain is not a result of a previous condition, a physician requires further testing or analysis, explains the Mayo Clinic. The physician may refer a patient to a specialist, such as a neurologist. Additional testing may include a CT scan, drawing blood and other laboratory tests to help diagnose the cause of the white matter.

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