Cholesteatoma of external auditory canal among 18 cases / 临床耳鼻咽喉头颈外科杂志

OBJECTIVE@#To improve the diagnosis and treatment of the external auditory canal cholesteatoma (EACC).@*METHOD@#The data of 18 patients caused by EACC were analysed retrospectively.@*RESULT@#In all cases, the cholesteatomas were found in the external auditory canal and the mastoid cavity. CT scanning was using for definition the ranging of lesions and the timm management surgery was completed. There was no recurrence in 10-40 months follow-up.@*CONCLUSION@#EACC is easily misdiagnosed as keratosis obturans (KO). The disease can progress to extensive mastoid destruction. CT of temporal bone and detailed history is necessary in the diagnosis. Early complete surgical treatment is the best method.