FESS restores functional drainage while preserving normal tissue of sinuses. Before nasal endoscope was introduced, the ENT surgeon worn a headlight and performed sinus surgery with naked eyes.
Nowadays, with endoscopes that can 'see' at different angles, finer equipment and advanced medical imaging, sinus surgery is safely performed under video-endoscopic control. This also minimizes the chance of injury to the eyes, blood vessels, nerve and brain.
Who needs the operation?
Those who have rhinosinusitis, nasal polyposis, tumors
Why having the operation?