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Atypical BECTS and homocystinuria.
S Buoni1, R M Di Bartolo, M Molinelli
1Section of Pediatrics, Department of Pediatrics, Obstetrics, and Reproductive Medicine, Policlinico Le Scotte, University of Siena, Italy.
Neurology
|October 29, 2003
Summary
A rare association between benign childhood epilepsy with centrotemporal spikes (BECTS) and homocystinuria was observed in children with borderline intelligence. Early metabolic evaluation is crucial for diagnosing homocystinuria in these cases.
Area of Science:
- Pediatric Neurology
- Metabolic Disorders
- Neurogenetics
Background:
- Benign childhood epilepsy with centrotemporal spikes (BECTS) is a common idiopathic epilepsy syndrome.
- Homocystinuria is a rare inherited metabolic disorder affecting amino acid metabolism.
Observation:
- Three children with borderline intelligence and difficult-to-control seizures presented with EEG findings suggestive of BECTS.
- Clinical BECTS features were not initially apparent in these children.
- Diagnosis of homocystinuria was delayed for several years, requiring extensive metabolic evaluation.
Findings:
- An association between atypical BECTS and homocystinuria was identified in these three pediatric cases.
- The study highlights a potential link between a specific epilepsy syndrome and a metabolic disorder.
- Borderline intelligence and refractory seizures were common in affected children.
Implications:
- This association suggests that homocystinuria should be considered in the differential diagnosis of children with unexplained BECTS-like EEG findings and cognitive/seizure issues.
- Early diagnosis of homocystinuria is critical for timely intervention and management of associated neurological complications.
- Further research is warranted to elucidate the underlying mechanisms connecting BECTS and homocystinuria.