[Imaging-navigated endoscopic sinus surgery].
OBJECTIVE
To evaluate the advantages and disadvantages of different type of image-guidance system in endoscopic sinus surgery.


METHODS
Fifty-three endoscopic sinus surgery were performed under different type of image-guidance system, there were 24 chronic sinusitis with or without nasal polyp, 4 juvenile nasopharyngeal angiofibroma, 8 pituitary adenoma, 9 ethmoid ossifying fibroma, 2 nasopharyngeal mixed tumor, 1 nasal leiomyoma, 3 fungal sinusitis, and 2 inverting papilloma.


RESULTS
In all cases, the preoperative time was 15-30 minutes, the registration rate were 1.3-2.0, the localization accuracy was within 1 mm. Compared with the traditional endoscopic sinus surgery, the operating time was similar, without obvious difference. No complication occurred.


CONCLUSIONS
All types of image-guidance system could work well with endoscopic system, each of them had its own shortages. Every type of image-guidance system could identify the borders and critical anatomical structures in the corresponding CT data, especially in cases in which anatomical landmarks were no longer present, with anatomical variation, intranasal and anterior skull base tumor. Combined with endoscopic surgery, the image-guided endoscopic surgery provided accurate tumor resection while preserving normal tissue, increased surgical effectiveness, decreased overall surgical complications. It is believed that the image-guidance system is a useful tool for endoscopic sinus surgery.
Ge
Wen-tong
WT
Department of Otorhinolaryngology-Head and Neck Surgery, Tongren Hospital, Affiliated to Capital University of Medical Sciences, Beijing 100730, China. gewentong@hotmail.com
Zhou
Bing
B
Han
De-min
DM
Zhang
Luo
L
Zhang
Yong-jie
YJ
D000293:Adolescent; D000328:Adult; D000368:Aged; D004724:Endoscopy / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009668:Nose Diseases / Q000601:surgery*; D025321:Surgery, Computer-Assisted