Image-guided surgery (IGS), also known as surgical navigation, is a specific technology that visually correlates intraoperative anatomy with preoperative CT scans. Often IGS is considered to be analogous to the global position system (GPS), a technology that permits individuals to show their relative position on a computer-generated map. For IGS, the preoperative CT scan serves as the map, and the intraoperative tracking system is similar to the satellites and devices that are used for GPS.
During nasal surgery, an IGS system will show the position of an instrument tip relative to the preoperative CT scan images. Thus, the surgeon is better able to correlate intraoperative anatomy with the preoperative CT scans.
Countless surgeons have commented that IGS enhances nasal surgery, reduces potential complications and improves overall outcomes.
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