Infantile spasms in the setting of Sturge-Weber syndrome

Massimo Barbagallo1, Martino Ruggieri, Gemma Incorpora

  • 1Department of Pediatrics, University of Catania, Catania, Italy.

Insights

Infantile spasms (IS) in Sturge-Weber syndrome (SWS) are uncommon but linked to SWS severity. These IS cases present atypically, differing from typical infantile spasms in clinical and EEG findings.

Area of Science:

  • Neurology
  • Pediatric Neurology
  • Epileptology

Background:

  • Infantile spasms (IS) are a common epilepsy syndrome in infancy, with established outcomes in most neurocutaneous disorders.
  • The natural history of IS specifically within Sturge-Weber syndrome (SWS) remains poorly described.
  • This study addresses the knowledge gap regarding IS in SWS.

Observation:

  • Two cases of IS in SWS were identified from institutional practice.
  • An additional five cases were identified through a literature review.
  • IS in SWS appears to be an uncommon but documented occurrence.

Findings:

  • A correlation was confirmed between IS and the severity of the SWS phenotype, including cutaneous and neural involvement (leptomeningeal capillary malformation extent).
  • IS in the context of SWS exhibits atypical clinical features, often presenting asymmetrically.
  • Electroencephalographic (EEG) findings in these cases are not classically hypsarrhythmic.

Implications:

  • The findings highlight the unique presentation of IS in SWS, differing from typical infantile spasms.
  • Understanding these atypical features is crucial for accurate diagnosis and management of IS in SWS patients.
  • Further research is warranted to elucidate the specific mechanisms and long-term outcomes of IS in SWS.
Abstract

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