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KMID : 0361020200630040176
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Korean Journal of Otolaryngology - Head and Neck Surgery
2020 Volume.63 No. 4 p.176 ~ p.179
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A Case of Squamous Cell Carcinoma in Situ Occurred in the External Auditory Canal
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Hong Seok-Jung
Baeg Moon-Seung
Rhee Ji-Hye
Cho Hyun-Sang
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Abstract
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Primary malignant lesions in the external auditory canal are rare. While squamous cell carcinoma is the most common of these lesions, there are also basal cell carcinoma, malignant melanoma and adenocarcinoma, etc. However, squamous cell carcinoma in situ of the external auditory canal is extremely rare since its first report in the English literature in 1953 and has not been reported in Korea. Its clinical manifestations are very similar to chronic ear disease. For treatment, local wide resection of the lesions is preferred. We recently encountered a 54-year-old female, who presented with intermittent irritating sensation in the external auditory canal. Otoscopic examination showed a scaly plaque with the irregular surface on the anteroinferior portion of the left external auditory canal. Excisional biopsy revealed a squamous cell carcinoma in situ. We report this very rare and unique case with a literature review.
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KEYWORD
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Carcinoma in situ, External auditory canal, Human papillomavirus
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