COVID-19 infection may trigger the presentation or exacerbation of autoimmune diseases. c-Antineutrophil cytoplasmic antibody (c-ANCA)-associated vasculitis after COVID-19 mainly involves the kidneys and lungs, and is rarely reported. We describe the case of a 13-year-old girl with a history of chronic immunologic thrombocytopenic purpura who presented with transverse myelitis and central nervous system demyelination, and was subsequently diagnosed with c-ANCA-associated vasculitis following COVID-19. The patient's condition improved after pulse therapy with methylprednisolone and rituximab. To our knowledge, this is the first reported pediatric case of ANCA-associated vasculitis with predominant central nervous system involvement after COVID-19 infection.
Keywords: ANCA; COVID-19; Myelitis; Vasculitis.
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