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Interventional MRI-guided frameless stereotaxy in pediatric patients
Todd W Vitaz1, Stephen G Hushek, Christopher B Shields
1Department of Neurological Surgery, University of Louisville School of Medicine, Kosair Children's Hospital, Louisville, Ky., USA. tvitaz@niky.com
Stereotactic and Functional Neurosurgery
|August 2, 2003
Summary
Intraoperative MRI (iMRI)-guided frameless stereotactic procedures are safe and effective for pediatric neurosurgery. This minimally invasive approach demonstrated reliability in biopsies and cyst aspirations for young patients.
Area of Science:
- Neurosurgery
- Medical Imaging
- Pediatric Medicine
Background:
- Intraoperative MRI (iMRI) integration into stereotactic procedures for pediatric patients was prospectively reviewed.
- Frameless stereotactic techniques offer minimally invasive options in pediatric neurosurgery.
Purpose of the Study:
- To evaluate the safety and efficacy of iMRI-guided frameless stereotactic procedures in pediatric patients.
- To assess the utility of iMRI in expanding minimally invasive neurosurgical options for children.
Main Methods:
- Procedures were conducted using the General Electric Signa SP MRI system within the magnet bore.
- Continuous or periodic imaging capabilities were utilized.
- An internal optical tracking system guided target localization and instrument trajectory planning and monitoring.
Main Results:
- Sixteen frameless stereotactic procedures were performed on 15 pediatric patients (average age 6 years).
- Procedures included 4 tumor biopsies and 12 cyst aspirations/catheter placements.
- No hemorrhagic, neurologic, or infectious complications were reported.
Conclusions:
- iMRI is a valuable tool for advancing minimally invasive neurosurgery in pediatric patients.
- The technology proved safe, reliable, and highly useful for frameless stereotactic interventions.
- iMRI-guided procedures expand the scope of surgical options for pediatric neurosurgical conditions.