作者从根治胆脂瘤的14年实践中提出8个最重要的问题: 一、鳞状上皮沿中央性穿孔边缘向内生长:应掀起鼓膜残余部分以清除鼓膜内面的鳞状上皮残余。有时,由于鳞状上皮自内向前生长侵及咽鼓管区,因此作者主张将鼓膜前方的纤维层和鼓环切开,形成上下两瓣,掀起两瓣时便可检查前 The authors address eight of the most important issues in the 14 years of practice of cholesteatoma: 1. Squamous epithelium grows inwards along the perforation of the central perforation: remnants of the tympanic membrane should be lifted to remove residual squamous epithelium on the inside of the tympanic membrane. Sometimes, since the squamous epithelium invades the region of the eustachian tube from the inside to the anterior, the authors advocate that the fibrous layer and drum ring in front of the tympanic membrane are incised to form upper and lower two lobes,