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[Prolonged remission in subacute sclerosing panencephalitis: 2 cases].

A Furby1, L Vallée, M Rousseaux

  • 1Service de Clinique Neurologique, C.H.U., Lille.

Revue Neurologique
|January 1, 1990
PubMed
Summary

Long-term remission in subacute sclerosing panencephalitis (SSPE) is rare but possible. Two pediatric cases achieved sustained remission, highlighting potential recovery markers in this rare neurological disease.

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Area of Science:

  • Neurology
  • Virology
  • Immunology

Background:

  • Subacute sclerosing panencephalitis (SSPE) is a rare, progressive neurological disorder.
  • It typically leads to severe neurological deficits and is often fatal.
  • Long-term survival and remission are exceptionally uncommon in SSPE cases.

Observation:

  • Two adolescent patients (13 and 15 years old) presented with SSPE.
  • Both patients experienced a typical disease course for 12-18 months.
  • Remarkably, they later achieved sustained clinical remission, lasting 5 and 6 years.

Findings:

  • Clinical improvement and disappearance of periodic electroencephalogram (EEG) complexes were observed.
  • Cerebrospinal fluid (CSF) oligoclonal bands and elevated measles antibody titers persisted.

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  • Magnetic resonance imaging (MRI) revealed asymmetrical white and gray matter lesions.

    • Implications:

    • SSPE onset age and interval from measles infection are not definitive prognostic indicators.
    • Progression beyond Jabbour's stage II and the disappearance of EEG periodic complexes may indicate favorable outcomes.
    • These findings suggest that SSPE remission, though rare, can occur and offers insights into disease management and prognosis.