Brain Abnormalities in Neuromyelitis Optica Spectrum Disorder

Table 2

Revised criteria for the diagnosis of NMO [7].

Optic neuritis
Acute myelitis
At least two of the following three supportive criteria
Contiguous spinal cord MRI lesion extending over at least; three vertebral segments
Onset brain MRI not meeting the diagnostic criteria for MS
NMO-IgG seropositivity status