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A case of confusing ceruminous adenoma of external auditory canal
J Korean Skull Base Soc 2020;15(2):122-125
Published online October 31, 2020
© 2020 Korean Skull Base Society.

Young Jun Seo, Jeong Hae Park, Jae Sang Han, Kyoung Ho Park

Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
Correspondence to: Kyoung Ho Park
주소 : Department of Otorhinolaryngology- Head and Neck Surgery, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 06591, Korea
Tel : +82-2-2258-6213
Fax : +82-2-595-1354
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Received July 28, 2020; Accepted August 27, 2020.
Ceruminous adenoma is rare neoplasm of external auditory canal (EAC) and can present a diagnostic difficulty because of their varied clinical and histological manifestations. We experienced a case of EAC mass extending to middle ear and mastoid cavity which was first diagnosed as malignancy on frozen biopsy, but confirmed as benign ceruminous adenoma on permanent pathology. Further imaginary evaluations reveal that no other abnormalites were shown except EAC, middle ear, and mastoid cavity. A complete surgical excision via subtotal petrosectomy was done to prevent recurrence. To our knowledge, most of reported ceruminous adenoma cases have been localized to EAC, making this case uncommon. Herein, we present a case of histologically confirmed EAC ceruminous adenoma extending to mastoid and middle ear cavity with brief literature review.
Keywords : Ceruminous adenoma, External auditory canal, Middle ear

October 2020, 15 (2)
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