What causes white spots on the brain?

?MRI report. Presume you had an MRI, and radiologist noted lesions in brain white matter. Generically, these can be due to smoking, hypertension, hardening of small arteries, aging, prior head injury, migraine, arteritis/ vasculitis, and multiple sclerosis, amongst the more common causes.

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What further testing is done to find out what caused white spots to show up on the brain when an MRI was done?

Nonspecific. White matter lesions could be nonspecific and can be associated with prior head injury, migraine, atherosclerosis, aging, and multiple sclerosis. Mostly, there is need for clinical correlation. If ms suspicion, spinal fluid could be tested, if question of arteritis or vasculitis, some blood tests might help. (on occasion, radiologically isolated syndrome is used to classify a non-clinical ms). Read more...
Mri follow up. Tests that may be done to help find out what caused the spots on an mri could be: 1. physical exam / blood pressure check 3. blood tests 3. spinal tap Hope that helps! Read more...