MOG antibody-associated disease (MOGAD) is an idiopathic, rare, immune-mediated inflammatory demyelinating disease of the CNS, which overlaps with other clinical presentations, such as acute disseminated encephalomyelitis (ADEM), neuromyelitis optica spectrum disorder (NMOSD), optic neuritis (ON), and multiple sclerosis (MS) (3). The gene discussed is MOG; the disease is acute disseminated encephalomyelitis.