Home > Multiple Sclerosis: MRI Results
MRI scan is the best way to locate
multiple sclerosis (MS) lesions (also called plaques)
in the brain or spinal cord. An MRI scan is abnormal in more than 95% of people recently diagnosed with MS.footnote 1
But abnormal MRI results do not always mean that you have
MS. Abnormalities show up on scans from many illnesses other than MS. An
abnormal finding on an MRI scan alone is not enough to diagnose MS. Your doctor
will confirm a diagnosis of MS based on your symptoms, your neurological
exam, and the results from an MRI and other tests.
When abnormal MRI results occur along with a medical history,
abnormal nervous system exam, and other test results that are typical of MS, it
is very likely that you have MS.
If you have already been diagnosed with MS, MRI scans can sometimes
distinguish new lesions from older ones and can help your doctor(s) follow the
progress of the disease. Continuing to have periodic MRI scans if you have
relapsing-remitting MS may help identify new lesions
even when you are not having symptoms from those new lesions.
If you have had just one episode of MS-like symptoms and are trying
to decide whether to start treatment with medicine, MRI scans can be
helpful in assessing the progress of the disease. If new lesions are developing
or if existing lesions are growing-regardless of whether you have had further
episodes of MS symptoms-most doctors will recommend that you begin treatment.
Health Tools help you make wise health decisions or take action to improve your health.
Rowland LP (2010). Multiple sclerosis. In LP Rowland, TA Pedley, eds., Merritt's Neurology, 12th ed., pp. 902-918. Philadelphia: Lippincott Williams and Wilkins.
ByHealthwise StaffPrimary Medical ReviewerAdam Husney, MD - Family MedicineAnne C. Poinier, MD - Internal MedicineMartin J. Gabica, MD - Family MedicineSpecialist Medical ReviewerKarin M. Lindholm, DO - Neurology
Current as ofOctober 14, 2016
Current as of:
October 14, 2016
Adam Husney, MD - Family Medicine & Anne C. Poinier, MD - Internal Medicine & Martin J. Gabica, MD - Family Medicine & Karin M. Lindholm, DO - Neurology
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