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Updated: Jun 17, 2026
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Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
Published on: September 20, 2024
Pinless frameless electromagnetic image-guided neuroendoscopy in children.
Jason L McMillen1, Marianne Vonau, Martin J Wood
1Royal Children's Hospital, Mater Misericordiae Children's Hospital, Brisbane, QLD, Australia. mcmillen@bigpond.net.au
Summary
Frameless electromagnetic neuronavigation is a safe technique for paediatric endoscopic surgery, especially for infants with complex brain anatomy. This pinless approach enhances surgical safety and accuracy in young patients.
Area of Science:
- Neurosurgery
- Medical Technology
Background:
- Frameless image-guided neuronavigation is valuable for paediatric neuroendoscopy, particularly in cases with complex ventricular or cyst anatomy.
- Electromagnetic neuronavigation enables image-guided navigation in very young patients where rigid fixation is contraindicated.
Observation:
- Nineteen paediatric patients underwent 29 endoscopic procedures using this technique over 18 months.
- Surgical goals were successfully achieved in all cases, confirmed by post-operative imaging.
- No technical failures or worsened neurological function were reported.
Findings:
- Pinless, frameless electromagnetic neuronavigation is a safe adjunct to endoscopic surgery in young children.
- The technique is suitable for patients unable to tolerate rigid cranial fixation due to age or thin skull vaults.
- It improves safety and accuracy in infants with distorted ventricular anatomy.
Implications:
- This technology offers a viable alternative to optical neuronavigation for neuroendoscopy in patients of all ages.
- It enhances the precision of endoscopic procedures in paediatric neurosurgery.
- Facilitates minimally invasive interventions in complex pediatric neurosurgical cases.
