Korean J Otorhinolaryngol-Head Neck Surg.
2013 Mar;56(3):166-168. 10.3342/kjorl-hns.2013.56.3.166.
A Case of Cartilaginous Choristoma of External Auditory Canal
- Affiliations
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- 1Department of Otolaryngology-Head and Neck Surgery, The Catholic University of Korea College of Medicine, Seoul, Korea. snparkmd@catholic.ac.kr
- KMID: 2277878
- DOI: http://doi.org/10.3342/kjorl-hns.2013.56.3.166
Abstract
- Cartilaginous choristoma of bony external auditory canal is very rare. Appearing as a horny sha-ped hard mass, cartilaginous choristoma can be found in the medial portion of anterior wall of external auditory canal. Histologically, it consists of adult-type hyaline cartilage without neoplastic features. If cartilaginous choristoma shows growing tendency or ear symptoms, surgical excision would be the treatment of choice. Here, we report a case of cartilaginous choristoma that occurred in the external auditory canal in an 8-year-old boy.
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