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A boy with non-herpes simplex acute limbic encephalitis and antiglutamate receptor antibodies

Hisashi Kawashima1, Chiako Ishii, Gaku Yamanaka

  • 1Department of Pediatrics, Tokyo Medical University, Tokyo, Japan.

Clinical Medicine Insights. Case Reports
|November 16, 2011
PubMed

Insights

This case study details a 12-year-old boy with severe, persistent seizures due to nonherpetic acute limbic encephalitis. Prompt treatment led to recovery without lasting effects, highlighting the importance of early diagnosis.

Area of Science:

  • Neurology
  • Pediatrics
  • Immunology

Background:

  • Acute limbic encephalitis can present with intractable seizures in children.
  • Nonherpetic causes require thorough etiological investigation.

Observation:

  • A 12-year-old male experienced prolonged, intractable seizures.
  • Clinical presentation included partial and secondary generalized convulsions.
  • Magnetic resonance imaging revealed hippocampal abnormalities.

Findings:

  • The patient was diagnosed with nonherpetic acute limbic encephalitis.
  • Treatment involved anticonvulsants, methylprednisolone, and gamma-globulin.
  • Transient positivity for antiglutamate receptor antibodies was noted in cerebrospinal fluid and serum.
  • Virological studies were negative for common pathogens like herpes simplex virus.

Implications:

  • This case underscores the potential for recovery from acute limbic encephalitis with appropriate management.
  • The role of antiglutamate receptor antibodies in nonherpetic limbic encephalitis warrants further investigation.
  • Early diagnosis and multimodal treatment are crucial for favorable outcomes in pediatric epilepsy cases.
Keywords:
acute limbic encephalitisantiglutamate receptorchildinterleukin-6intractable seizures

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