Abbreviations
SLE, systemic lupus erythematosus; NPSLE, neuropsychiatric systemic lupus erythematosus; IAS, immunoadsorption; MRI, magnetic resonance imaging; ANA, antinuclear antibody; MP, methylprednisolone; HCQ, hydroxychloroquine; CSF, cerebrospinal fluid; FLAIR, fluid attenuated inversion recovery.