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Japanese

Cases of chondroma of the bony external auditory canal Youhei Yamamoto 1 , Kazuma Sugahara 1 , Makoto Hashimoto 1 , Aya Iwamoto 1 , Takafumi Matsuura 1 , Yosuke Okinaka 1 , Mei Sakamoto 1 , Hiroshi Yamashita 1 1Department of Otolaryngology, Yamaguchi University Graduate School of Medicine pp.456-461
Published Date 2021/5/20
DOI https://doi.org/10.11477/mf.1411202722
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 A chondroma involving the external auditory canal is rare. Here, we report the case of a 4-year-old girl who was referred to our clinic without any symptoms. Otoscopic examination revealed a tiny bone-like tumor protruding from the anterior wall of the bony external auditory canal. An audiogram revealed a normal hearing level. No recurrence was observed after excision of the tumor through the ear canal. Histological evaluation confirmed that the tumor was a chondroma.

 Benign tumors of the ear canal are considered relatively rare diseases, and few reports of chondroma are available in the literature.


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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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