Functional endoscopic sinus surgery (FESS)
The sinuses are air-filled cavities connected to the nasal cavity, in which secretions are continuously produced. For their healthy functioning, it is essential that the secretions produced are emptied into the nasal passages without hindrance. If the openings of the cavities are not permeable due to narrowing or blockage, the stagnant secretions can cause inflammation, infection and even the formation of nasal polyps. FESS is a modern, minimally invasive surgical procedure that uses endoscopic instruments to restore the natural ventilation and secretion drainage of the sinuses, thus eliminating the complaints caused by chronic inflammation.