Table 1: Clinical features of NB disease.
| Parenchymal forms | Non-parenchymal forms |
| Brain: Aphasia, cognitive disorders, hemiparesis, sensitivity disturbances, seizures, psychosis | Brain sinus venous thrombosis |
| Optic Neuropathy | Acute Meningeal Syndrome |
| Brainstem [2]: Ophthalmoparesis, cranial neuropathy, cerebellar impairment | Intracranial Hypertension |
| Spinal Cord | |
| Diffuse or multifocal: Combination of different forms |