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目的:分析外耳道胆脂瘤(EACC)的临床特点及误诊原因。方法:对1993~2003年收治的经临床和病理确诊的18例EACC患者,根据病变的范围和程度,采取不同的治疗方法,其治疗原则是彻底清除EACC和肉芽组织,促进创面愈合。结果:外耳道骨质破坏13例,外耳道深部为白色或黄色上皮角化物或耵聍样团块阻塞18例,外耳道口肉芽阻塞、皮肤红肿或外耳道狭窄15例,EACC侵犯乳突和上鼓室4例,鼓膜穿孔2例。随访1~6年,无复发。结论:EACC是以疼痛、间歇耳漏和骨质破坏为其特征的外耳道疾患,其治疗原则是彻底清除胆脂瘤囊袋、肉芽组织,促进创面愈合。
Objective: To analyze the clinical characteristics and misdiagnosis of external auditory canal cholesteatoma (EACC). Methods: EACC patients of 18 cases diagnosed clinically and pathologically from 1993 to 2003 were treated with different methods depending on the extent and extent of the lesion. The treatment principle was to completely remove EACC and granulation tissue and promote wound healing. Results: Thirteen cases of external auditory canal bone destruction, 18 cases of white or yellow epithelial keratosis or rickety-like masses occlusion in the external auditory canal, 15 cases of external ear canal granulation blockage, skin irritation or external auditory canal stenosis, 4 cases of EACC infringing mastoid and upper tympanic cavity , Tympanic membrane perforation in 2 cases. Follow-up 1 to 6 years, no recurrence. Conclusion: EACC is an external auditory canal disease characterized by pain, intermittent otorrhea and bone destruction. The principle of its treatment is to completely remove cholesteatoma, granulation tissue and promote wound healing.