Medizinische Universität Graz - Research portal
Selected Publication:
Reittner, P; Tillich, M; Luxenberger, W; Weinke, R; Preidler, K; Köle, W; Stammberger, H; Szolar, D.
Multislice CT-image-guided endoscopic sinus surgery using an electromagnetic tracking system.
Eur Radiol. 2002; 12(3):592-596
Doi: 10.1007/s00330-001-1200-6
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- Leading authors Med Uni Graz
- Reittner Pia
- Co-authors Med Uni Graz
- Köle Wolfgang
- Luxenberger Wolfgang
- Stammberger Heinz
- Weinke Roland
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- Abstract:
- Our objective was to assess the practicability and accuracy of a computer-assisted multislice CT-guided frameless electromagnetic tracking for endoscopic sinus surgery. Eighty-two patients with various paranasal sinus diseases were evaluated. Prior to surgery, axial multislice spiral-CT scans with 2.5-mm collimation, 0.8-mm reconstruction increment, and a pitch of 3 were acquired. After Ethernet transfer of the CT data set to the guidance system, coronal and sagittal images were reconstructed. For intraoperative navigation the Insta Trak System (Visualization Technology, Boston, Mass.) was used. Navigational procedures are described in detail in the paper. Accuracy was assessed by means of visual landmarks which could be clearly identified endoscopically as well as on CT images. A second parameter for accuracy was calculated by the system itself as the root mean square (RMS). The system was able to display the position of the aspirating tip relative to anatomical structures with an average accuracy of 0.70 +/- 0.40 mm. Root mean square values showed a mean value of 0.40 +/- 0.20 mm. During surgical procedures the Insta Trak System provides the surgeon with additional image-based information to the endoscopic view. The device accuracy is high and the system proves to be practicable and efficient in ENT surgery.
- Find related publications in this database (using NLM MeSH Indexing)
- Adolescent -
- Adult -
- Aged -
- Endoscopy -
- Female -
- Humans -
- Image Processing, Computer-Assisted - instrumentation
- Male -
- Middle Aged -
- Paranasal Sinuses - surgery
- Surgery, Computer-Assisted - instrumentation Surgery, Computer-Assisted - methods Surgery, Computer-Assisted - standards
- Tomography, X-Ray Computed - instrumentation
- Find related publications in this database (Keywords)
- computer-assisted surgery
- head and neck
- electromagnetic tracking system
- sinus surgery
- multislice CT