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The early occurrence of CNS events suggests that these patients had subclinical disease at initial diagnosis. As such, strategies to better detect and treat patients with subclinical CNS disease at diagnosis would be anticipated to result in a decrease in the incidence of CNS relapse, without subjecting those patients not destined for CNS relapse to unnecessary and potentially toxic prophylaxis strategies.
Bernstein et al. (Tue,) studied this question.
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