MOG and acute disseminated encephalomyelitis: Other refractory cases include acute symptomatic seizures and new-onset refractory status epilepticus (NORSE) owing to MOG-IgG-induced ADEM or hemispheric cortical encephalitis, which several lines of immunotherapy and anti-epileptic treatments cannot subside [66,67], resulting in refractory seizure-induced hemispheric brain atrophy, such as Rasmussen’s encephalitis.