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两年来,我科利用硬管鼻内窥镜经耳道行耳科手术9例11耳,取得了满意疗效,现介绍如下:1资料与方法:1.1临床资料 掌击伤致鼓膜紧张部穿孔2例,穿孔面积分别为4mm×3mm和4mm×4mm,纯音测听示双耳气骨导听阀差平均为25dB和30dB;分泌性中耳炎2例4耳,鼓室压图均呈低峰型,纯音测听示气骨导的阈差为 21～36dB不等;外耳道胆脂瘤3例;上鼓室小胆脂瘤2例,CT片示病变局限于上鼓室外侧.1.2 设备 德国storz公司生产的长18cm,直径4mm和2.7mm,角度为30°和70°的冷光源硬管鼻内窥镜和耳科显微手术器械一套.
Two years, our department using hard tube endoscopic ear canal ear surgery in 9 cases of 11 ears, and achieved satisfactory results are as follows: 1 Materials and Methods: 1.1 clinical data of the tympanic membrane perforation caused by perforation in 2 cases , Perforated area were 4mm × 3mm and 4mm × 4mm, pure audiometry showed the average of the two ears of the air conduction pilot valve average 25dB and 30dB; secretory otitis media in 2 cases 4 ears, tympanogram showed low peak, pure tone test The threshold of the air-to-air conduction was 21 ~ 36dB, external auditory canal cholesteatoma 3 cases, 2 cases of small cholesteatoma in the tympanic cavity, CT lesions were limited to the lateral side of the upper tympanic cavity.2.2 Equipment 18cm , A diameter of 4mm and 2.7mm, the angle of 30 ° and 70 ° cold light source tube endoscopic and otoscopic microsurgery equipment.