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Magnate
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Join Date: Sep 2006
Posts: 2,280
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Magnate
Join Date: Sep 2006
Posts: 2,280
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Hello kadi,
Lesions are abnormalties which can be seen on a MRI. Having a lesion(s) show up on MRI does not always mean it's caused by MS. There are different conditions that can cause lesions such as Lymes Disease, age, head injuries and Migraines (among others).
An active lesion simply means it is currently active, it lights up when contrast (dye) is used. A non-active lesion doesn't light up with contrast. MS is a dignosis of exclusion, other causes for symptoms/lesions need to be ruled out before MS can be considered.
On your MRI report there should be an "impression" area which would list the possible causes to what was found on the MRI as per the Radiologist. Other testing may be necessary.
There is a criteria for diagnosing MS it is called the McDonald Criteria.
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Dx RRMS 1984
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