RESUMO
Objective To investigate the clinical features of patients with neuromyelitisoptica spectrum disorders (NMOSD) in China.Methods Cases reports of NMOSD from 1989 to 2016 were retrieved from the database of Weipu data basis,and the clinical features of cases reported were analyzed.Results Eighty-seven studies were enrolled.Totally 109 patients were included.The ratio of male to female was 1 ∶ 4 and the mean onset age was (38.44 ± 17.08) years (range 5-76 years).The predisposing factors was catching a cold(12.80％).There were 66.05％ patients with optic neuritis symptoms as initial symptoms,23.85％ with spinal cord inflammation as the first symptom.Spinal magnetic resonance showed that 80.73％ of the lesions involved thoracic spinal cord,and the cervical spinal cord occupied by 49.54％,while the lumbar spine accounted for about 10.09％.12.84％ involved the final area.Conclusion In China,NMSOD is common in young adults,and more common in women.The onset age between the male and female has no significant difference.The first symptom of optic neuritis is more common,and the spinal cord lesion in thoracic cord is popular.