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How is functional endoscopic sinus surgery (FESS) performed?

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.

Functional endoscopic sinus surgery (FESS) is performed with microscopic instruments to spare tissues, minimize disruption and open the sinus cavities.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.