[Endonasal ethmoidectomy in the treatment of nasal sinus polyposis]

Endonasal surgery of paranasal polyposis. Two hundred and fifty one microscopical sphenoethmoidectomies with a major complication rate of 2.6% are reported. Long term results are analysed. Nasal obstruction disappears in 96% and persists in 70% of the cases 5 years later. Through topical steroid therapy and surgical experience polyp recurrence rate is reduced to 30%.