中耳胆脂瘤是耳鼻喉科常见疾病之一。 儿童中耳胆脂瘤的发病率在 3-15/100000。中耳胆脂瘤在我国有较高的发病率，有很多关于 临床胆脂瘤的报道。毛息肉是口咽部最常见的先天性肿瘤，是一种少见的双胚层发育异常，包括外胚层和中胚层成分。有文献报道尽管在第一和第二鳃弓异常的患者中，如鳃耳肾综合征和耳闭锁的患者中，毛息肉的发生率更高，毛息肉与任何特定的综合征没有明确的联系。但是，由咽鼓管毛息肉占位引起的儿童中耳胆脂瘤临床少见。
Cholesteatoma of middle ear is one of the common diseases in otolaryngology. The incidence of middle ear cholesteatoma in children is 3-15/100,000 . Middle ear cholesteatoma has a high incidence in China, and there are many reports about clinical cholesteatoma. Hairy polyp is the most common congenital tumor in oropharynx, and it is a rare double germ layer dysplasia, including ectoderm and mesoderm components. It has been reported that although the incidence of hairy polyps is higher in patients with abnormal first and second branchial arches, such as patients with branchial-auricular-renal syndrome and auricular atresia, there is no clear connection between hairy polyps and any specific syndrome . However, cholesteatoma of middle ear in children caused by eustachian tube hair polyp is rare clinically.