MULTIPLE SCLEROSIS JOURNAL, vol.20, no.8, pp.1086-1094, 2014 (SCI-Expanded)
Background: Few data are available for patients with a late onset (>= 50 years) of neuromyelitis optica (LONMO) or neuromyelitis optica spectrum disease (LONMOSD), defined by an optic neuritis/longitudinally extensive transverse myelitis with aquaporin-4 antibodies (AQP4-Ab).