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目的：探讨鼻内窥镜术的临床应用。方法：总结２００例鼻内窥镜术的临床资料，作随访观察疗效。手术目的是清除病变组织，恢复鼻腔粘膜功能。结果：以慢性副鼻窦炎疗效最好，中鼻道引流通畅；对多发性鼻息肉、鼻窦炎手术效果也较满意。结论：鼻内窥镜视野清晰，手术定位准确，可建立以筛窦为中心的引流通道，不必行副鼻窦口扩大术。
Objective: To explore the clinical application of endoscopic sinus surgery. Methods: To summarize the clinical data of 200 cases of nasal endoscopy, follow-up observation of the curative effect. The purpose of surgery is to remove diseased tissue and restore nasal mucosal function. Results: Chronic nasal sinusitis had the best curative effect and the middle nasal drainage was smooth. The results of multiple nasal polyps and sinusitis were satisfactory. Conclusion: The endoscopic nasal endoscopy has a clear field of vision and accurate operation positioning, and a drainage channel centered on the ethmoid sinus can be established without expanding the paranasal sinus ostium.