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