MOG and acute disseminated encephalomyelitis: Myelin oligodendrocyte glycoprotein (MOG) antibody‐associated disease (MOGAD) is a demyelinating disorder that affects children and adults, and may be associated with recurrent or bilateral optic neuritis, acute disseminated encephalomyelitis, transverse myelitis, brainstem, cortical, or leptomeningeal involvement.1, 2, 3 Recently proposed diagnostic criteria highlight the importance of an appropriate clinical association, MOG antibody seropositivity by cell‐based assay, and exclusion of an alternate etiology.3