Outcome and long term follow-up after corpus callosotomy in childhood onset intractable epilepsy
Güzide Turanli1, Dilek Yalnizoğlu, Demet Genç-Açikgöz
1Division of Pediatrics, Section of Pediatric Neurology, Hacettepe University Medical Faculty, Ihsan Doğramaci Children's Hospital, 06100, Sihhiye, Ankara, Turkey.
Insights
Corpus callosotomy significantly improved outcomes for children with medically intractable epilepsy, with 69% showing improvement. This epilepsy surgery offers a viable treatment option for severe childhood-onset seizures.
Area of Science:
- Pediatric Neurology
- Neurosurgery
- Epileptology
Background:
- Epilepsy surgery is a key treatment for intractable epilepsy, with up to 25% of childhood cases being surgical candidates.
- Corpus callosotomy is indicated for severe drop attacks and generalized seizures.
- Cognitive and speech improvements are crucial outcomes in pediatric epilepsy surgery.
Purpose of the Study:
- To assess the effectiveness of corpus callosotomy in treating childhood-onset medically intractable epilepsy.
- To evaluate surgical outcomes in a developing pediatric epilepsy surgery center.
Main Methods:
- Retrospective case series of 16 pediatric patients.
- All patients underwent two-thirds anterior corpus callosotomy for refractory seizures.
Main Results:
- The study included patients with drop attacks or multiple seizure types, some with focal onset and secondary generalization.
- 11 out of 16 patients (69%) experienced significant improvement post-surgery.
- Outcomes included 1 seizure-free (Class 1), 5 Class 2A, 5 Class 2B, and 5 Class 3.
Conclusions:
- Corpus callosotomy is an effective surgical option for selected pediatric patients with medically intractable epilepsy.
- The procedure demonstrated significant seizure reduction and functional improvement in this cohort.
Introduction:
Epilepsy surgery is a standard of care in the treatment of medically intractable epilepsy. Twenty five percent of patients with intractable epilepsy in childhood can be candidates for epilepsy surgery. Corpus callosotomy is a surgical treatment option for patients with potentially injurious drop attacks and disabling generalized seizures. Postoperative improvement of cognition and speech are important gains after epilepsy surgery particularly during childhood. The aim of this study is to evaluate the outcome of corpus callosotomy for the treatment of childhood onset medically intractable epilepsy in a developing pediatric epilepsy surgery center.
Method:
We report 16 patients who underwent two thirds anterior corpus callosotomy for treatment of refractory seizures in childhood.
Results:
All patients had drop attacks or multiple types of seizures, yet some showed focal onset with secondary generalization on electroencephalogram (EEG). One patient was seizure free (class 1 outcome), five had class 2A outcome, five had class 2B outcome, and five had class 3 outcome. Overall 11/16 (69%) of our patients improved significantly after anterior callosotomy.
Conclusion:
Corpus callosotomy remains to be a fairly good choice of surgical treatment for childhood onset medically intractable epilepsy in selected patients.

