Endoscopic sinus surgery; It is the surgical intervention to the nose and sinus problems by using a camera system called endoscopy. With endoscopic sinus surgery; nasal and sinus pathologies such as acute sinusitis, chronic sinusitis, nasal polyps, nasal polyposis, antrachoanal polyps, choanal atresia and mucocele can be intervened. During the procedure, instruments specially developed for this surgery are used. No external incision is made in endoscopic sinus surgery; it is completely performed through the nose. Therefore, it does not cause any scars.