Neurologist
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Neuromyelitis optica (NMO) is an uncommon CNS demyelinating syndrome often mistaken for severe multiple sclerosis (MS). Several clinical, laboratory, and neuroimaging characteristics may accurately distinguish NMO from MS early in the disease course. ⋯ NMO can be reliably differentiated from MS at an early stage using validated diagnostic criteria. The spectrum of NMO is wider than previously appreciated. Accurate, early diagnosis is critical to facilitate initiation of immunosuppressive therapy for attack prevention.