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Intracranial meningioma resection using frameless stereotaxy
G H Barnett1, C P Steiner, J Weisenberger
1Department of Neurological Surgery, Cleveland Clinic Foundation, OH 44195, USA.
Journal of Image Guided Surgery
|January 1, 1995
Summary
Interactive surgical navigation (ISN) aids in resecting intracranial meningiomas, enabling precise tumor removal. This frameless stereotaxy technique is a valuable tool for neurosurgeons managing complex brain tumors.
Area of Science:
- Neurosurgery
- Medical Imaging
- Surgical Technology
Background:
- Intracranial meningiomas require precise surgical resection.
- Advanced navigation systems can potentially improve surgical accuracy and safety.
Observation:
- Thirty-four patients with intracranial meningiomas underwent 35 resections using an interactive surgical navigation (ISN) system.
- The ISN system provided real-time visualization of surgical instruments relative to patient anatomy using MRI/CT data.
- Specific applications included guiding minimal craniotomies, optimizing bone flap design, and identifying critical neurovascular structures.
Findings:
- Complete tumor resection (>98%) was achieved in all patients as confirmed by postoperative MRI.
- The ISN system facilitated precise localization for craniotomy and bone flap design.
- While beneficial for locating critical structures like arteries and veins, the system offered limited advantages in cranial nerve preservation.
- No permanent central neurologic morbidity occurred in any patient.
Implications:
- Interactive surgical navigation is a valuable adjunct for managing intracranial meningiomas.
- The technology enhances precision in tumor resection and intraoperative decision-making.
- Further research may explore optimizing ISN for cranial nerve preservation in meningioma surgery.