relapses with either full recovery or some remaining neurological signs/symptoms and residual deficit on recovery.
Periods between relapses charterized by lack of disease progression.
disease progression from onset, without plateaus or remissions or with occasional plateaus and temporary minor improvements
initial relapsing-remitting course, followed by progression at a variable rate that may also include occasional relapses and minor remissions
progressive disease from onset but without clear acute relapses that may or may not have some recovery or remission.
Commonly seen in individuals who develop the disease after 40 years of age.
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