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Tuberous sclerosis and infantile spasms.

R Riikonen1, O Simell

  • 1Department of Pediatrics, University of Turku, Finland.

Developmental Medicine and Child Neurology
|March 1, 1990
PubMed
Summary

Tuberous sclerosis (TS) in children with infantile spasms leads to poor long-term outcomes, including intractable epilepsy and developmental delays. Early diagnosis of TS is crucial for prognosis and managing treatment, especially with ACTH therapy.

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Area of Science:

  • Neurology
  • Pediatrics
  • Genetics

Background:

  • Tuberous sclerosis (TS) is a genetic disorder that can affect multiple organs.
  • Infantile spasms are a severe form of epilepsy in infants.
  • The co-occurrence of TS and infantile spasms presents unique diagnostic and prognostic challenges.

Purpose of the Study:

  • To investigate the short- and long-term outcomes for children diagnosed with both infantile spasms and tuberous sclerosis.
  • To highlight the diagnostic difficulties and characteristic manifestations of TS in this patient group.
  • To compare the prognosis of these children with those having idiopathic infantile spasms or other neurological disorders.

Main Methods:

  • Retrospective study of 24 children with infantile spasms and confirmed tuberous sclerosis.
  • Clinical examination focusing on characteristic TS features, particularly skin manifestations.
  • Neuroimaging (CT scans) to identify brain abnormalities.
  • Assessment of developmental, intellectual, and seizure outcomes.

Main Results:

  • TS diagnosis was often delayed, but characteristic skin findings and early brain abnormalities on CT scans were consistently present.
  • Associated TS manifestations included epilepsy, central nervous system tumors, cardiac rhabdomyomas, kidney disease, and retinal phakomas.
  • Long-term outcomes were poor: all children had impaired intelligence, and most experienced intractable epilepsy and behavioral problems.
  • Prognosis was significantly worse compared to children with idiopathic infantile spasms or other neurological comorbidities.

Conclusions:

  • Early diagnosis of tuberous sclerosis in infants with infantile spasms is vital for accurate prognosis.
  • Identifying TS can help avoid potential complications associated with treatments like ACTH therapy.
  • Children with TS and infantile spasms require specialized, long-term management due to the high likelihood of intractable epilepsy and developmental issues.

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