Abstract
Background:
Myelin oligodendrocyte glycoprotein (anti-MOG) antibody was reported in anti-aquaporin-4 (anti-AQP4) seronegative neuromyelitis optica spectrum disorders (NMOSD) patients.
Objectives:
To describe clinical phenotypes associated with anti-MOG.
Methods:
Seventy consecutive Thai patients with inflammatory idiopathic demyelinating central nervous system disorders (IIDCD) who were previously anti-AQP4 seronegative were tested for anti-MOG.
Results:
Anti-MOG was positive in six patients, representing 20.7% of the IIDCD anti-AQP4 seronegative patients with a non-multiple sclerosis phenotype, and most had relapses. All first presented with optic neuritis with good visual recovery after treatment.
Conclusions:
Anti-MOG positive patients may have manifestations that mimic NMOSD but differ in their course and prognosis from anti-AQP4 positive NMOSD.
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