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Cortical malformations: a frequent cause of epilepsy in children
1Department of Paediatric Neurology, University Hospital, Gasthuisberg, Belgium. lieven.lagae@uz.kuleuven.ac.be
Insights
Cortical malformations are a key cause of childhood epilepsy. Paediatricians play a vital role in genetic counseling and referring patients for epilepsy surgery when standard treatments fail.
Area of Science:
- Neurology
- Pediatrics
- Medical Genetics
Background:
- Cortical malformations are a significant cause of epilepsy in children.
- Magnetic Resonance Imaging (MRI) studies are crucial for identifying these malformations.
- Understanding the genetic basis and treatment resistance is essential for pediatric care.
Purpose of the Study:
- To introduce a simplified classification scheme for cortical malformations.
- To highlight the importance of genetic counseling for pediatric epilepsy.
- To emphasize the role of pediatricians in managing refractory epilepsy due to cortical malformations.
Main Methods:
- Review of existing literature and classification schemes (e.g., Barkovich et al.).
- Analysis of MRI findings in pediatric epilepsy cases.
- Discussion of genetic patterns and treatment outcomes.
Main Results:
- Cortical malformations are a primary cause of pediatric epilepsy.
- Genetic factors are increasingly recognized in specific epilepsy syndromes associated with malformations.
- Epilepsy associated with cortical malformations often becomes refractory to anti-epileptic drugs, necessitating surgical consideration.
Conclusions:
- A simplified classification aids in understanding cortical malformations.
- Paediatricians are crucial for integrating clinical, genetic, and neuro-imaging data.
- Early referral for specialized assessment, including epilepsy surgery evaluation, is vital for affected children.
Unlabelled:
In this review, a simplified scheme for classification of cortical malformations is introduced and illustrated based on the work of Barkovich et al. [8]. Detailed MRI studies identify cortical malformations as a major cause of epilepsy in children. Two aspects that are becoming increasingly important for the paediatrician are emphasised. First, knowledge of the genetic background of cortical malformations is necessary for appropriate genetic counselling. Although the majority of cortical malformations occur sporadically, recent studies have shown a familial pattern in specific epilepsy syndromes associated with cortical malformations. Second, the epilepsy becomes refractory to the common anti-epileptic drugs in many patients with cortical malformations so that epilepsy surgery should be considered. In this respect, the paediatrician can play a pivotal role in referring candidate patients for further specialised assessment.
Conclusion:
The input of the paediatrician will become crucial to link clinical, genetic and neuro-imaging data in children with the great variety of possible cortical malformations.