Stroke, Meningitis, Brain tumor, Multiple sclerosis, Transverse myelitis, Guillain Barre syndrome, Autoimmune encephali...tis, Parkinson's disease, Dementia, Myelopathy, Neuromyelitis optica, Epilepsy, Seizure , Paraneoplastic syndromes of the nervous system, Encephalitis, Myasthenia gravis, Antiphospholipid syndrome, Neurosarcoidosis, Lymphoma, Vasculitis