Diagnosis conclusion Clinical Presentation Additional Data Needed CDMS * Two or more attacks (relapses) Two clinical evidence One clinical and one paraclinical evidence LSDMS * At least one attack and oligoclonal bands Two attacks and one evidence (clinical or paraclinical) One attack and two clinical evidences One attack, one clinical and one paraclinical evidences CPMS * At least one attack Two attacks and one clinical evidence One attack and two clinical evidences One attack, one clinical and one paraclinical evidences LSPMS * Two attacks No more evidence is required