Brain and Spinal Cord Imaging Features in Neuromyelitis Optica Spectrum Disorders (S6.003)

To evaluate the prevalence of typical and atypical hyperintense lesions of brain and spinal cord in a multicentric cohort of patients with neuromyelitis optica spectrum disorders (NMOSD) and to assess if difference occurs in lesion distribution between NMOSD vs relapsing remitting multiple sclerosis (RRMS) patients.