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Endoscopic sinus surgery is a procedure designed to open the natural drainage pathways of the sinuses to restore their function and health. In chronic sinusitis, the sinuses are unable to drain adequately due to inflammation of the narrow drainage pathways. As a result, nasal secretions can become trapped in the sinuses and become chronically infected.
The goal of surgery is to carefully remove the thin, delicate bone and mucous membranes that block the drainage pathways of the sinuses. The term "endoscopic" refers to the use of small fiberoptic telescopes that allow all of the surgery to be performed through the nostrils, without the need for any skin incisions. Endoscopic sinus surgery is generally performed on an outpatient basis.