Differentiation of neuromyelitis optica spectrum disorders from ultra-longitudinally extensive transverse myelitis in a cohort of Chinese patients
Keywords: LETM; longitudinally extensive transverse myelitis; NMO; neuromyelitis optica; NMOSD; NMO spectrum disorders; AQP4-IgG; aquaporin 4 antibody; MS; multiple sclerosis; uLETM; ultra-LETM; IVH; intractable vomiting and hiccups; CSF; cerebrospinal fluid; CVO;