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논문 기본 정보

자료유형
학술저널
저자정보
Hong Joon Pyo (Department of Otorhinolaryngology-Head and Neck Surgery Kangbuk Samsung Hospital Sungkyunkwan University School of Medicine Seoul Korea) Kim Min-Beom (Department of Otorhinolaryngology-Head and Neck Surgery Kangbuk Samsung Hospital Sungkyunkwan University School of Medicine Seoul Korea)
저널정보
대한청각학회 Journal of Audiology & Otology Journal of Audiology & Otology Vol.27 No.1
발행연도
2023.1
수록면
45 - 50 (6page)
DOI
10.7874/jao.2022.00031

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Congenital middle ear cholesteatoma (CMEC) accounts for 2%-5% of all cases of middle ear cholesteatoma. CMEC is rare and diagnostically challenging; therefore, only a few cases are reported in the literature, and the pathophysiology of this condition remains largely unclear. Currently, epidermoid formation, amniotic fluid contamination, lack of the tympanic ring, and squamous metaplasia are among the mechanisms implicated in the pathogenesis of CMEC; however, no single theory satisfactorily explains the pathophysiology of this disorder. We report a case of CMEC in a young male patient, who showed a symmetric, binaural whitish mass posterior to the anterosuperior quadrant of the tympanic membrane. A few reports have described bilateral CMEC; however, no study has reported symmetrical CMEC as observed in this case. Bilateral tympanoplasty concomitant with cholesteatoma removal was performed, and histopathological evaluation of the resected specimen showed closed-type cholesteatoma. In this report, we describe a rare case of symmetric CMEC, which supports the epidermoid formation theory associated with CMEC, together with a literature review.

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