Catastrophic relapses following initiation of dimethyl fumarate in two patients with neuromyelitis optica spectrum disorder

Author:

Yamout Bassem I1,Beaini Shawkat2,Zeineddine Maya M1,Akkawi Nabil3

Affiliation:

1. Nehme and Therese Tohme Multiple Sclerosis Center, American University of Beirut Medical Center, Beirut, Lebanon

2. Ain Wazein Hospital, El Chouf, Lebanon

3. Hammoud Hospital University Medical Center, Saida, Lebanon

Abstract

We report two cases of neuromyelitis optica spectrum disorder (NMOSD) who were misdiagnosed as multiple sclerosis (MS) and developed catastrophic relapses following initiation of dimethyl fumarate. Both patients developed a severe myelitis extending from the cervical cord to the medulla with significant cord swelling, resulting in complete quadriplegia and respiratory difficulties, in addition to severe bilateral visual loss in one patient. It is of note that both catastrophic relapses occurred 2 and 3 months following initiation of dimethyl fumarate.

Publisher

SAGE Publications

Subject

Neurology (clinical),Neurology

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1. Neuromyelitis optica spectrum disorders in children;Neurology, Neuropsychiatry, Psychosomatics;2024-08-07

2. Optimization of laboratory diagnostics of neuromyelitis optica spectrum disorders: indications and algorithms;Annals of Clinical and Experimental Neurology;2024-07-08

3. Optic Neuritis in the New Millennium;TNOA Journal of Ophthalmic Science and Research;2024-04

4. Time to Disability Milestones and Annualized Relapse Rates in NMOSD and MOGAD;Annals of Neurology;2024-01-13

5. Pediatric Neuromyelitis Optica Spectrum Disorder;Seminars in Pediatric Neurology;2023-07

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