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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 38(1); 1995 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1995;38(1): 24-9.
Ten Cases of External Auditory Canal Cholesteatoma
Sun O Chang, MD, Chong Sun Kim, MD, Kang Soo Lee, MD, Dong Wook Lee, MD, and Kwan Taek Noh, MD
Department of Otorhinolaryngology Head and Neck Surgery Seoul National University, College of Medicine, Seoul, Korea
외이도진주종에 대한 임상적인 분석
장선오 · 김종선 · 이강수 · 이동욱 · 노관택
서울대학교 의과대학 이비인후과학교실

Although cholesteatoma are more commonly found in the middle ear and the mastoid, the disease can occur in the external auditory canal. Ten cases of external auditory canal cholesteatoma surgically treated at the Department of Otolaryngology in Seoul National University Hospital from January of 1980 to March of 1994 were reviewed. The average age was 23, and hearing loss and chronic intermittent otorrhea were the most common symptoms. Diagnosis was possible in consideration of physical, radiologic, and operative findings. The lesions ranged in extent from external auditory canal to extensive mastoid and middle ear cavity invasion. All the cases were managed surgically, either by canaloplasty or mastoidectomy according to the extent of the lesion. There was no recurrence, but 3 patients showed canal restenosis postoperatively. One of them was successfully managed by revision canaloplasty. It is thought that early detection and radical removal of lesions, and maintenance of wide external auditory canal are important factors in the management of the disease and the prevention of recurrence.

Keywords: External auditory canal cholesteatoma.
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