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目的：观察耳内窥镜检查在中耳手术中的应用。方法：５５耳中耳疾病患者，其中单纯型慢性化脓性中耳炎１５耳，胆脂瘤型化脓性中耳炎２５耳，分泌性中耳炎１５耳。分别在手术中及前、后进行耳内窥镜检查。结果：耳内窥镜检查能观察到手术显微镜不易观察到的部位，如：上鼓室、后鼓室、鼓窦入口、咽鼓管鼓口等，易于发现中耳病变，降低病变复发率。结论：耳内窥镜检查为中耳显微手术提供了良好的辅助手段。
Objective: To observe the application of endoscopic sinus surgery in middle ear surgery. Methods: Fifty-five patients with otorhinolaryngeal diseases, including 15 cases of simple chronic suppurative otitis media, 25 cases of cholesteatoma suppurative otitis media and 15 cases of secretory otitis media. In the surgery and before and after the endoscopic examination. Results: Ear endoscopy can be observed in the operation microscope is not easy to observe the site, such as: the tympanic cavity, the posterior tympanic cavity, the entrance to the drum, eustachian tube drum mouth, easy to find middle ear lesions and reduce the recurrence rate. Conclusion: Ear endoscopy provides a good adjunct to middle-ear microsurgery.