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Treatment of frontal sinus using surgery is complicated owing to the complex anatomical structure of the sinus region. The aim of the present study was to investigate the efficacy and safety of Draf IIb endoscopic frontal sinus surgery treatment for frontal sinus lesions using the agger nasi approach on 19 patients (28 left or and right nasal cavities). A 10-12 mm excision of the upper frontal maxilla was performed for endoscopic resection between the middle turbinate and lateral nasal wall. No serious complications in frontal sinus surgery treatment for the removal of the frontal sinus were observed. Patients were followed up after surgery for 6-36 months. Chronic sinusitis and nasal polyps were identified in 10 cases (19 left or and right nasal cavities; disease control, 15 left or and right nasal cavities; and disease partial control, 4 left or and right nasal cavities). Frontal sinus inverted papilloma was observed in 9 cases (9 left or and right nasal cavities). Frontal sinus inverted papilloma were successfully treated in 8 cases, and 1 case of recurrence was observed. In conclusion, the nasal endoscopic Draf IIb agger nasi approach is a minimally invasive treatment for frontal sinus lesions. This surgical procedure is safe and less complicated and may be applied in the clinic.

Endoscopic agger nasi type Draf IIb treatment for frontal sinus lesions