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Benign rolandic epilepsy: atypical features are very common
E C Wirrell1, P R Camfield, K E Gordon
1Pediatric Neurology Division, Izaak Walton Killam Hospital for Children, Halifax, Nova Scotia, Canada.
Journal of Child Neurology
|November 1, 1995
Summary
Atypical features are common in children with benign rolandic epilepsy, affecting half of patients clinically and nearly a third electrographically. These atypical presentations often lead to further investigations and treatment.
Area of Science:
- Pediatric Neurology
- Epileptology
Background:
- Benign rolandic epilepsy (BRE) is a common childhood epilepsy syndrome.
- Typical presentations of BRE are well-documented, but atypical features are less understood.
Purpose of the Study:
- To determine the frequency of atypical clinical and electrographic features in children diagnosed with benign rolandic epilepsy.
- To investigate the association between atypical features and diagnostic workup or treatment initiation.
Main Methods:
- Retrospective case series of 42 children with BRE treated at a tertiary pediatric hospital.
- Review of patient charts for clinical features, electroencephalogram (EEG) findings, imaging results, seizure frequency, and anticonvulsant use.
Main Results:
- Atypical clinical features were observed in 50% of patients; atypical electrographic features were present in 31%.
- Patients with atypical features were more likely to undergo imaging studies and initiate anticonvulsant medication.
- No increased seizure frequency was noted in patients with atypical features.
Conclusions:
- Atypical clinical and electrographic features are frequent in benign rolandic epilepsy, challenging the notion of a purely typical presentation.
- The presence of atypical features influences diagnostic and therapeutic decisions in pediatric epilepsy management.
- Further research is needed to refine the definition of benign rolandic epilepsy and its spectrum of presentations.