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Updated: Apr 19, 2026

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A three-dimensional computer-based perspective of the skull base.

Matteo de Notaris1, Kenneth Palma2, Luis Serra3

  • 1Department of Neurosurgery, Hospital Clinic de Barcelona, Faculty of Medicine, Universitat de Barcelona, Barcelona, Spain; Laboratory of Surgical Neuroanatomy, Faculty of Medicine, Universitat de Barcelona, Barcelona, Spain.

World Neurosurgery
|December 16, 2014
PubMed
Summary

This study presents a 3D virtual dissection protocol for endoscopic endonasal approaches. This method enhances understanding of surgical anatomy and aids in developing new skull base techniques.

Keywords:
3D computer modelDextroscopeEndoscopic endonasal surgerySkull baseSurgical anatomy

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Area of Science:

  • Neurosurgery
  • Anatomy
  • Medical Simulation

Background:

  • Endoscopic endonasal approaches (EEAs) are crucial for skull base surgery.
  • Accurate anatomical knowledge and surgical planning are vital for successful EEAs.
  • Current training methods may benefit from advanced visualization and simulation.

Purpose of the Study:

  • To describe a protocol for creating 3D models for virtual dissection in EEAs.
  • To enable 3D virtual dissection and analysis of critical surgical landmarks.
  • To enhance the understanding and execution of skull base neurosurgical approaches.

Main Methods:

  • Human cadaveric heads were dissected following a three-step protocol.
  • The protocol included virtual surgery simulation, navigated cadaver dissection, and post-dissection analysis.
  • The Dextroscope virtual surgery simulation system was utilized.

Main Results:

  • The protocol facilitated virtual dissection and analysis of endoscopic endonasal approaches.
  • This method improved general knowledge of skull base anatomy and supported new technique development.
  • Data analysis provided insights into critical surgical landmarks.

Conclusions:

  • The described methodology is effective for anatomical training and surgical planning in EEAs.
  • 3D visual feedback and virtual dissection enhance the study and execution of neurosurgical approaches.
  • The Dextroscope serves as a valuable tool for preoperative planning, analysis, and measurement in skull base surgery.