الفهرس 
History of Image GuidanceOnly 14 pages are availabe for public view
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Abstract
Image guidance is a technique used to assist the physician during endoscopic sinus surgery (ESS). This study seeks to compare ESS with and wihout image guidance, analyzing a number of parameters that can impact on efficacy. This study took place at otorhinolaryngology department, Faculty of Medicine, Cairo University. The study group consisted of 10 patients who underwent ESS using an optical-based image-guided system IGS