Case report reveals pleomorphic adenoma in external auditory canal, suggesting rarity of this tumor type.
Tumors of the external auditory canal (EAC) encompass a wide variety of pathologies, including benign and malignant neoplasms. Among benign tumors, osteomas, papillomas, and hemangiomas are commonly reported, whereas the major malignant entities encountered are squamous cell carcinoma and adenoid cystic carcinoma. However, pleomorphic adenomas originating in the EAC are exceedingly rare.
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Yanagisawa et al. (2026) studied this question.
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