Table 2 Auxiliary examination details of patients
Examination items | Patients (n = 8) |
|---|---|
Brain MRI appearance | |
Non-specific demyelination in white mater | 2 patients |
Normal | 6 patients |
Orbital MRI | |
Increased signals of bilateral optic nerves in the orbit and the canal parts, with slight enhancement | 8 patients |
VEP appearance | Poor waves or without fixed waveforms in 15/16 eyes |
Fundoscopy | |
Optic disk edema and pale | 6/16 eyes in 3 patients |
Optic disk normal | 10/16 eyes in 5 patients |
Toxicological tests (urine and blood) | |
Positive | None |
Negative | 8 patients |
Anti- AQP4-Ab and other antibodies | |
Positive | None |
Negative | 6 patients |
Undone | 2 patients |
Blood gas analysis | |
Normal | 8 patients |
Abnormal | None |