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Functional Endoscopic Sinus Surgery

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Evolution of Functional Endoscopic Sinus Surgery

FESS is aimed at mucosal preservation, while also removing obstructions in sinus anatomy, with the main goal being restoration of normal sinus anatomy and physiology. Endoscopy for sinus surgery was first described in the early 1900s. The improvement of rod-optic systems in the 1970s provided a drastic improvement in visualization. In the 1990s, image guided navigation gained popularity in the USA. It became a means to confirm anatomic location intra operatively using a specific patients imaging in order to achieve maximal reduction of disease. This method also allowed for the identification and confirmation of critical structures that should be avoided during surgery.

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