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Diagnostic algorithm

Authoring team

Does the patient present with:

  • more than one clinical episode suggestive of MS?
  • one clinical episode suggestive of MS?
  • a slowly progressive disorder suggestive of MS?

The diagnosis of MS cannot be made by MRI alone.

Reference:

  1. Montalban X et al. Diagnosis of multiple sclerosis: 2024 revisions of the McDonald criteria. Lancet Neurol. 2025 Oct;24(10):850-865. doi: 10.1016/S1474-4422(25)00270-4. Erratum in: Lancet Neurol. 2025 Nov;24(11):e13.

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