Demyelinating Disease

Demyelinating diseases encompass a group of disorders characterized by damage to myelin sheaths in the central or peripheral nervous system, disrupting nerve conduction. Etiologies include autoimmune conditions (e.g., multiple sclerosis), infections, and metabolic disorders. Clinical manifestations vary but often include weakness, sensory disturbances, visual impairment, and cognitive changes. Diagnosis relies on clinical assessment, MRI, cerebrospinal fluid analysis, and electrophysiologic studies. Management is etiology-specific, including immunomodulatory therapy, symptomatic treatment, and rehabilitation; prognosis varies widely depending on disease subtype and progression rate.