Combination of transverse myelitis and optic neuritis is diagnosis of Neuromyelitis optica. SACD:- has only spinal cord involvement. Babinski sign (+), Areflexia, Romberg sign Post cerebral aery stroke - Do not cause myelitis & response to steroids. Mid brain stroke: P1 segment involvement Coical blindness d/t inv. of occipital lobe (P2 segment) Neuro-syphilis - Responsive to Antibiotics rather than steroid Argyll Robeson pupil Lhermitte sign Sensory ataxia/tabes dorsalis Neuromyelitis Optica (Devic's Disease) Optic neuritis Transverse myelitis Area postrema syndrome Diencephalic syndrome Acute brainstem syndrome Cerebral syndrome (coical syndrome)