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WMS 2020

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ECTRIMS Burning Debate: the new McDonald diagnostic criteria come under scrutiny


The practicality of the latest revision of the McDonald criteria for diagnosing MS was the subject of a formal debate at ECTRIMS.

The revised criteria – known as the McDonald 2017 criteria – were published early in 2018. The changes from the previous 2010 criteria included:

  • Oligoclonal bands (OCBs) count as dissemination in time
  • A symptomatic lesion counts towards dissemination in space and time
  • A cortical lesion is equivalent to a juxtacortical lesion
  • Anterior visual findings are taken into account.

The motion under debate was “The new McDonald diagnostic criteria make them difficult to use in clinical practice”.

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