Ruitong Song

Aquaporin-4-IgG-positive neuromyelitis optica spectrum disorder in an adolescent with inflammatory polyarthritis and Sjögren-related features: a case report

Neuromyelitis optica spectrum disorder (NMOSD) is a severe immune-mediated astrocytopathy most commonly associated with aquaporin-4 immunoglobulin G (AQP4-IgG). Optic neuritis is a common phenotype in pediatric NMOSD, but diagnosis may be delayed when early magnetic resonance ima...