Background: In 70-80% of cases, neuromyelitis optica (NMO) is associated with highly specific serum auto-antibodies to aquaporin-4 (termed AQP4-Ab or NMO-IgG). Recent evidence strongly suggests ...

Treatments in the remaining cases included oral steroids, intravenous methylprednisolone, azathioprine, methotrexate, and cyclo-phosphamide; in 5 cases no exact data on the treatment status at ...