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MS definitions and disease classification 

MS definitions and disease classification
MS definitions and disease classification

John Zajicek

, Jennifer Freeman

, and Bernadette Porter

Page of

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date: 28 January 2021

Clinical terms 18

Although the precise criteria by which a diagnosis of MS can be made have changed over the years, the essential clinical criteria remain: evidence for episodes of inflammation in different parts of the nervous system at different times. In other words, there should be evidence for dissemination of lesions in both time and place within the central nervous system, with exclusion of any alternative explanations....

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