How is functional endoscopic sinus surgery (FESS) performed?

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Chadwick N. Ahn, MD
Ear, Nose & Throat (Otolaryngology)
Functional endoscopic sinus surgery (FESS) is performed with microscopic instruments to spare tissues, minimize disruption and open the sinus cavities. Watch Chadwick Ahn, MD, of Frankfort Regional Medical Center, explain this procedure.
To enlarge the sinus openings, your surgeon uses an endoscope. An endoscope is a small tube with a tiny camera on the end that projects pictures of your sinuses on a screen. Using tiny tools attached to the endoscope, your surgeon removes pieces of bone and other materials blocking your sinus openings.

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