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Case Rep Otolaryngol. 2012;2012:298089. doi: 10.1155/2012/298089. Epub 2012 Jul 2.

Xanthogranuloma of the external auditory canal mimicking a benign tumor: a case report.

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  • 1Department of Otolaryngology, Ohtawara Red Cross Hospital, 2-7-3 Sumiyoshi-cho, Ohtawara City, Tochigi 324-8686, Japan.

Abstract

Exostosis, osteoma, and adenoma are the most commonly encountered benign lesions in the external auditory canal. Herein, we report a case of the mass arising from the external auditory canal in a 24-year-old Japanese man. CT revealed the soft tissue mass without bony erosion, and MRI revealed that the mass showed a homogenous, iso signal intensity on a both T1- and T2-weighted image, suggesting that the mass is a benign tumor such as adenoma. Pathological examination showed that the specimen demonstrated xanthogranuloma in the external auditory canal. Although xanthogranuloma of the external auditory canal is extremely rare, otolaryngologists should recognize this condition during the inspection of the external auditory canal.

PMID:
22953105
[PubMed]
PMCID:
PMC3420438
Free PMC Article

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