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01-09-2017 | Original Communication

MOG antibody-related disorders: common features and uncommon presentations

Authors: Álvaro Cobo-Calvo, Anne Ruiz, Hyacintha D’Indy, Anne-Lise Poulat, Maryline Carneiro, Nicolas Philippe, Françoise Durand-Dubief, Kumaran Deiva, Sandra Vukusic, Vincent Desportes, Romain Marignier

Published in: Journal of Neurology | Issue 9/2017

Abstract

Myelin oligodendrocyte glycoprotein antibodies (MOG-Ab) have been reported in acute demyelinating encephalomyelitis (ADEM), optic neuritis (ON), and neuromyelitis optica spectrum disorders (NMOSD) in adults and pediatrics. We aimed to delineate the common features of MOG-Ab-related disorders in children and adults, and report uncommon presentations. Twenty-seven consecutive pediatric and adult patients testing positive for MOG-Ab, with a minimum follow-up of 6 months, were included. Comprehensive epidemiological, clinical, radiological, and laboratory data were retrospectively analyzed. Additionally, we compared radiological features between ADEM MOG-Ab-positive patients, and a group of ADEM MOG-Ab-negative ones, recruited during the same period. Among the whole cohort, 13 (48.1%) were pediatric, and 14 (51.9%) were female. MOG-Ab-related disorders comprised eight ADEM, eight ON, five isolated myelitis, four with NMOSD and two patients with multiple sclerosis, at last follow-up. After a median follow-up of 17.8 months, 11 (40.7%) patients presented a relapse. The most frequent clinical phenotype at onset was encephalopathy in pediatrics (53.9%) and myelitis in adults (50%) (p = 0.013). There were no other differences between both groups. When comparing ADEM MOG-Ab positive and negative patients, bilateral thalamic lesions were more often found in the positive group (p = 0.010). Unusual presentations were identified in three patients: patchy spinal cord gadolinium-enhancing lesions, an associated teratoma, and one presented with status epilepticus. MOG-Ab-related disorders shared common clinical and prognostic features, but encompass a spectrum wider than recently reported.

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Title: MOG antibody-related disorders: common features and uncommon presentations
Authors: Álvaro Cobo-Calvo
Anne Ruiz
Hyacintha D’Indy
Anne-Lise Poulat
Maryline Carneiro
Nicolas Philippe
Françoise Durand-Dubief
Kumaran Deiva
Sandra Vukusic
Vincent Desportes
Romain Marignier
Publication date: 01-09-2017
Publisher: Springer Berlin Heidelberg
Published in: Journal of Neurology / Issue 9/2017
Print ISSN: 0340-5354
Electronic ISSN: 1432-1459
DOI: https://doi.org/10.1007/s00415-017-8583-z

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Springer Medicine

MOG antibody-related disorders: common features and uncommon presentations

Abstract

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Abstract

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