Electro-clinical-pathological correlations in focal cortical dysplasia (FCD) at young ages

Hans Holthausen1, Tom Pieper, Peter Winkler

  • 1Neuropediatric Clinic and Clinic for Neurorehabilitation, Epilepsy Center for Children and Adolescents, Schoen-Klinik Vogtareuth, Krankenhausstr. 20, D - 83569, Vogtareuth, Germany, jholthausen@schoen-kliniken.de.

Insights

Focal cortical dysplasia (FCD) is a common cause of pediatric focal epilepsy, but its exact prevalence is unclear. Research shows FCD accounts for 76% of malformations of cortical development in epilepsy surgery patients.

Area of Science:

  • Neurology
  • Neurosurgery
  • Pediatric Epilepsy

Background:

  • Focal cortical dysplasia (FCD) is a significant cause of intractable focal epilepsy in children.
  • The precise prevalence of FCD in pediatric epilepsy is underestimated due to inconsistent classification of malformations of cortical development (MCD).
  • Many studies group various MCD subtypes, obscuring the specific contribution of FCD.

Purpose of the Study:

  • To determine the prevalence of FCD among patients with MCD undergoing epilepsy surgery.
  • To clarify the significance of FCD as a subtype of MCD in surgical epilepsy cases.

Main Methods:

  • Analysis of data from the European Epilepsy Brain Bank, comprising 561 patients with MCD.
  • Categorization of MCD subtypes, with a focus on identifying FCD.

Main Results:

  • Out of 561 operated patients with MCD, 426 (76%) were diagnosed with FCD.
  • FCD represents the most frequent subtype of MCD in this cohort.

Conclusions:

  • Focal cortical dysplasia is the predominant malformation of cortical development in patients undergoing epilepsy surgery.
  • Accurate classification of FCD is crucial for understanding its role in pediatric epilepsy and guiding surgical interventions.

Related Concept Videos