SECTION I: Diseases that Affect the Brain -- 1. Acute Disseminated Encephalomyelitis -- 2. Acute Necrotizing Encephalopathy mimicking ADEM -- 3. Pediatric Multiple Sclerosis Manifesting with Primary Psychiatric Symptoms -- 4. Multiple Sclerosis in the Extremely Young -- 5. Breakthrough Disease in Pediatric MS -- 6. Neuromyelitis Optica Spectrum Disorder with Neuropsychiatric Presentation -- 7. Pediatric Tumefactive Demyelination -- 8. Radiologically Isolated Syndrome -- 9. Anti-Glutamic Acid Decarboxylase Limbic Encephalitis -- 10. Anti-NMDA Receptor Antibody Encephalitis -- 11. Pediatric Central Nervous System Vasculitis -- 12. Neuroinflammatory disease in association with Morphea (Localized Scleroderma) -- 13. Susac's Syndrome -- 14. Infectious Mimics of Multiple Sclerosis -- 15. Central nervous system lymphoma -- 16. Methotrexate Toxicity -- 17. Alexander Disease Type II -- 18. Neurodegenerative Langerhans Cell Histiocytosis -- 19. X-linked Adrenoleukodystrophy -- 20. Rapid-onset Obesity with Hypothalamic dysfunction, Hypoventilation and Autonomic Dysregulation (ROHHAD) -- 21. ADEM Mimic with Thiamine Transporter Deficiency -- SECTION II: Diseases that Affect the Brainstem -- 22. Acute Disseminated Encephalomyelitis-Brainstem and Cerebellar Presentation -- 23. Multiple Sclerosis with Brainstem Presentation -- 24. Neuromyelitis Optica Spectrum Disorder with Brainstem Presentation -- 25. Infection mimics with brainstem presentation -- 26. Chronic Lymphocytic Inflammation with Pontine Perivascular Enhancement Responsive to Steroids -- SECTION III: Diseases that Affect the Spinal Cord -- 27. Acute Disseminated Encephalomyelitis with Spinal Cord Presentation -- 28. Post-Infectious Acute Transverse Myelitis -- 29. Complete transverse myelitis (idiopathic) -- 30. Transverse Myelitis with Acute Inflammatory Polyradiculoneuropathy -- 31. Acute Flaccid Myelitis -- 32. Neuromyelitis optica spectrum disease with transverse myelitis presentation -- 33. Transverse myelitis in lupus -- 34. Acute Demyelination associated with TNF alpha- inhibiting biologic therapy -- 35. Myelopathy due to occult trauma mimicking transverse myelitis -- 36. Hypomyelination with Brainstem and Spinal Cord Abnormalities and Leg Spasticity (HBSL) -- SECTION IV: Diseases That Affect the Optic Nerve -- 37. Acute disseminated encephalomyelitis followed by recurrent or monophasic optic neuritis -- 38. Chronic Relapsing Inflammatory Optic Neuropathy (CRION) -- 39. Optic Neuritis as the Presenting Symptom for MS -- 40. Steroid Dependent Recurrent Optic Neuritis in Pediatric Multiple Sclerosis -- 41. Neuromyelitis optica presenting with bilateral optic neuritis -- 42. Sarcoidosis with Optic Nerve Presentation.