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Frontal Sinus
Functional Endoscopic Sinus Surgery
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| 1. Local anesthesia and decongestion for the elevation of the axillary flap. | 2. The incision along the inferior border of the flap. |
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| 3. Elevation of the flap. | 4. Releasing incision at the area of the axilla and removal of the upper end of the uncinate process. |
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| 5. A large part of the anterior wall of the agger nasi cell is already thinned. | 6. Removal of the anterior agger nasi wall with a curette. |
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| 7. Complete removal of the anterior wall with a Kerrison punch. | 8. Removal of the mucosa of the agger nasi cell. |
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| 9. Dissecting along the medial and posterior wall of the agger nasi. | 10. Removal of the posterior wall of the agger nasi. |
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| 11. Removal of the anterior wall of the suprabullar cell. | 12. Grasping the mucosa of the suprabullar cell. |
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| 13. Opening the suprabullar cell. | 14. Removing the nasal beak with a frontal punch. |
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| 15. Change to a 45° endoscope. View of the frontal sinus. | 16. View of the frontal sinus after further enlargement of the ostium. Note the characteristic bone lamina at the roof of the sinus. |
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| 17. Repositioning of the axillary flap. |
