中耳胆固醇肉芽肿3 例

目的：探讨中耳胆固醇内芽肿（CG）的病因、发病机制、诊断及治疗。方法：回顾性分析3例CG患者的临床资料。3例均为轻-中度传导性聋，鼓膜里“蓝鼓膜”征，鼓室压曲线图为B型，3例均行鼓宝探察术，开放上鼓室、鼓窦及乳突气房，彻底清除内芽组织。结果：3例术后随访0．5—3年，均干耳无复发。结论：对原因不明的血性耳益液及蓝鼓膜，应结合CT提高术前诊断率。对CG应采取手术治疗，清除病变，建立鼓室及乳突的通气，引流。

Cholesterol Granuloma in Eardrum: report of 3 cases

Objective: To investigate the etiology,pathogene,diagnosis and therapy of cholesterol granuloma madia.Methods: Threecases of middle ear cholesterol gramuloma were retrospectively reviewed.Three ears all have a speciality of conductive deafness with a light to middle level,blue eardrum and tympanogram all showing B type.Three cases were cured by tympaniccavity exploration opening epitympanum.Results: Three cases fter operation were followed up for six months to three years.Three cases were cured out without recuring.Conclusion: Otoblennorrhea of blood without obvious reason and blue eardrum should be coupled with CT to enhance the diagnostic rate before operation.CG sould be treated by operation to clean disease location,air and drainage tympanicus cavity and mastoid.