Neuromyelitis OpticaAquaporin 4Myelitis, TransverseAutoantibodiesDemyelinating Autoimmune Diseases, CNSMultiple SclerosisOptic NeuritisImmunoglobulin GOptic NerveSpinal CordOligoclonal BandsMethylprednisoloneArea PostremaParaneoplastic Syndromes, Nervous SystemMyelitisParaneoplastic Syndromes, OcularMagnetic Resonance ImagingRecurrenceAstrocytesComplement System Proteins