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Related Experiment Video

Updated: May 27, 2025

Author Spotlight: Segmentation and VR for Advanced Neurovascular Interventions
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The "Canopy Approach": Case Series Using Immersive Virtual Reality for Bottom-Up Target-Based Preoperative Planning

Grace Y Lai1, Ryan R L Phelps1, Nilika S Singhal2

  • 1Department of Neurological Surgery, University of California San Francisco, San Francisco, California, USA.

Neurosurgery Practice
|February 17, 2025
PubMed
Summary
This summary is machine-generated.

Immersive virtual reality (VR) enhances pediatric neurosurgical planning by allowing surgeons to visualize complex trajectories from multiple perspectives. This technology improved family understanding and surgical outcomes in challenging cases.

Keywords:
Pediatric brain tumorPediatric epilepsy surgeryPediatric neurosurgeryPreoperative planningVirtual reality

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Area of Science:

  • Neurosurgery
  • Medical Technology
  • Pediatric Medicine

Background:

  • Virtual reality (VR) is gaining traction for neurosurgical trajectory planning.
  • Challenging pediatric neurosurgical cases require advanced planning tools.

Purpose of the Study:

  • To present a case series on immersive VR for trajectory planning in pediatric neurosurgery.
  • To evaluate both "top-down" and "bottom-up" VR approaches.
  • To assess the impact on patient understanding and surgical outcomes.

Main Methods:

  • Utilized immersive VR with 3D models derived from CT/MRI for 5 pediatric patients (7-14 years).
  • Employed "top-down" and "bottom-up" navigation for trajectory planning.
  • Assessed patient/family satisfaction and surgical outcomes (resection extent, seizure control).

Main Results:

  • VR trajectory modifications were made in all cases after "bottom-up" navigation.
  • All families reported enhanced understanding of the procedure.
  • Achieved gross total resection in all lesion cases and seizure freedom in epilepsy patients at 2 years.
  • No intraoperative complications or permanent neurological deficits were observed.

Conclusions:

  • Immersive VR facilitates detailed visualization of operative corridors from multiple perspectives.
  • This approach optimizes trajectory planning in pediatric neurosurgery.
  • VR significantly improves family comprehension of complex surgical procedures.