论文部分内容阅读
一般认为在联合进路的鼓室成形术中保存鼓沟和盾板(scutum)是肯定的,并应修复这些部位的缺损。但在镫骨切除术中凿除耳道后上壁的突出部分后,在鼓沟或/及鼓室盾板有切迹形成或某些鼓室盾板有自然缺损而未见鼓膜内陷。故作者采用经耳道鼓室开放术以代替经乳突鼓室开放术,于1972～1978年间对42例鼓上隐窝或/及后上象限内陷袋有或无胆脂瘤的病人进行了上述手术。操作:耳后切口暴露乳突气房、鼓窦和外耳道。剥离骨性耳道上、后壁皮肤直至鼓上隐窝穿孔缘和后上象限的鼓沟,磨去耳道顶壁骨质扩大
It is generally accepted that it is in the opinion of the Society to preserve tympanoplasty and tympanoplasty in tympanoplasty and to repair defects in these areas. However, in the removal of the posterior wall of the posterior wall of the ear canal in choroidctomy after the prominent part of the drum groove or / and tympanum shield with notch formation or some tympanic shield with natural defects and no tympanic membrane retraction. Therefore, the author of the use of the otorhinostomy in the open instead of the mastoidectomy, from 1972 to 1978, 42 cases of supratentorial or upper gallbladder retraction with or without cholesteatoma patients with the above surgery. Operation: The posterior ear incision exposes the mastoid atrium, the sinuses and the external auditory canal. Stripping the bony canal, the posterior wall of the skin up to the perforation of the perforation and the posterior quadrant of the drum,