Acute Disseminated Encephalomyelitis

Area of Science:

• Neurology
• Immunology
• Pediatrics

Background:

• Acute disseminated encephalomyelitis (ADEM) is a rare, immune-mediated neurological disorder.
• It primarily affects children and is characterized by widespread demyelination in the central nervous system.
• ADEM often follows a viral infection or immunization.

Observation:

• Patients present with acute-onset, multifocal neurological deficits.
• Symptoms can include encephalopathy, seizures, and focal neurological signs.
• The clinical presentation is diverse and can mimic other neurological conditions.

Findings:

• Diagnostic criteria involve clinical presentation, laboratory findings, and characteristic magnetic resonance imaging (MRI) findings.
• MRI typically shows bilateral, asymmetric, large white matter lesions.
• Pathophysiology involves autoimmune attack on myelin antigens.

Implications:

• Early diagnosis and appropriate management are crucial for improving outcomes in ADEM.
• Understanding the pathophysiology aids in developing targeted therapies.
• This review provides a comprehensive overview for clinicians managing pediatric neurological emergencies.