Abstract
BackgroundKnowledge has been expanding on myelin oligodendrocyte glycoprotein (MOG) antibody-associated central nervous system disorders. We delineate the clinical and paraclinical findings and outcome of our pediatric patients with MOG antibody seropositive disease. MethodsWe retrospectively analyzed the clinical presentation, cerebrospinal fluid findings, magnetic resonance imaging (MRI) studies, course and outcome of children seropositive for anti-MOG IgG. ResultsTotal 20 children with neurological symptoms and serum anti-MOG IgG were identified from six centers in Turkey. Median age at onset was 9 years (mean 8.8 ± 5.0 years, range: 1.5–16.5 years). Final diagnoses were acute disseminated encephalomyelitis (ADEM) (n = 5), ADEM + optic neuritis (n = 4), neuromyelitis optica spectrum disorder (NMOSD) (n = 3), myelitis (n = 2), relapsing optic neuritis (n = 2), multiphasic DEM (n = 3), and unclassified relapsing demyelinating disease (n = 1). Seven/20 (35%) children experienced a single episode while 13/20 (65%) had a least one relapse during follow-up. On MRI, subcortical white matter, brainstem, and corpus callosum were preferentially involved regions. Full recovery was observed in 15/20 (75%) children. ConclusionMOG autoimmunity in children has a wide clinical spectrum, tendency to relapse, and a favourable outcome compared with other relapsing demyelinating diseases.
Published Version
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