FSS已广泛用于慢性耳窦炎的治疗，但有时疗效差，反复多次手术导致永久性纤毛功能障碍，故作者对56例多次反复FSS失败的息肉性鼻窦炎患者改行Denker术式鼻窦根治术，获佳效，认为对持续耐治鼻窦炎的最后有效措施是根治性鼻窦手术。56例中45例病史长达10年，44例曾经受3次以上手 FSS has been widely used in the treatment of chronic otitis media, but sometimes poor curative effect, repeated multiple operations lead to permanent ciliary dysfunction, so the author of 56 cases of multiple repeated FSS failure of patients with polyposis sinusitis switch to Denker surgical treatment of nasal sinus Surgery, was effective, that the continued effective resistance to sinusitis, the last effective measure is radical sinus surgery. Of the 56 cases, 45 had a history of up to 10 years, and 44 had been exposed to more than 3 times