Treatment for paraneoplastic neuromyelitis optica spectrum disorder (NMOsd): Probable effects of tocilizumab for both cancer and NMOsd

- IL-6 may represent one of the major treatment target molecules for NMOsd.
- IL-6 upregulates VEGF synthesis causing lymphangiogenesis.
- Tocilizumab may represent first-line medication for NMO with cancer.