AUTHOR=Liu Rui-Ting , Guo Yu-Kun , Du Xia , Li Heng TITLE=Very-late-onset neuromyelitis optica spectrum disorder: a case report and review JOURNAL=Frontiers in Neurology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2025.1559872 DOI=10.3389/fneur.2025.1559872 ISSN=1664-2295 ABSTRACT=Neuromyelitis optica spectrum disorder (NMOSD) is a rare autoimmune disorder that causes demyelination within the central nervous system, typically manifesting as symptoms of optic neuritis and myelitis. We report the case of a 92-year-old patient with NMOSD who was admitted to our hospital; hers is currently the oldest reported case of NMOSD globally. The onset occurred after COVID-19 vaccination, and the patient responded well to treatment with satralizumab.