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Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery
Published on: July 5, 2021
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Automatic Registration for Navigation at the Anterior and Lateral Skull Base
Julia Kristin1, Manuel Burggraf2, Dirk Mucha3
11 Department of Otorhinolaryngology, University Hospital Duesseldorf, Duesseldorf, Germany.
The Annals of Otology, Rhinology, and Laryngology
|May 10, 2019
Summary
Automatic registration is a viable alternative to traditional fiducial markers for electromagnetic navigation systems in surgical procedures. This method offers comparable accuracy, simplifying navigation during complex operations.
Area of Science:
- Neurosurgery
- Medical Imaging
- Surgical Navigation
Background:
- Navigation systems enhance surgical precision by linking imaging data to the intraoperative situs.
- Fiducial markers typically yield the best results for minimizing target registration error.
Purpose of the Study:
- To investigate a novel registration strategy for an electromagnetic navigation device.
- To compare automatic registration with screw marker-based registration.
Main Methods:
- Evaluated an electromagnetic navigation system using intraoperative digital volume tomography (cone-beam CT).
- Calculated target registration error in the paranasal sinuses/skull base region.
- Performed 150 measurements on a head model and 160 on temporal bone specimens.
Main Results:
- Automatic registration was straightforward to implement.
- Significant differences between automatic and fiducial registration were found for a limited number of screws.
- Observed variations in registration accuracy depending on the method used.
Conclusions:
- Automatic registration presents a potential alternative to established methods in artificial and cadaver models.
- Intraoperative imaging supports the use of automatic registration when needed.
Keywords:
electromagnetic navigationimage-guided surgerylateral skull basenavigation systemsinus surgeryMore Related Videos
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