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Pleomorphic adenoma of the external auditory canal: A case report and review of the literature

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March 1, 2010
by Lisa Skultety Ayers, DO, Kalpana DePasquale, DO, Frank I. Marlowe, MD, and Mahmoud Ghaderi, DO


Pleomorphic adenomas of the external auditory canal (EAC) are benign tumors of the ceruminal glands; they are a rare entity. Arising from the lateral cartilaginous portion of the EAC, these lesions can be challenging to diagnose in view of their rare clinical presentation, indolent symptoms, and a lack of familiarity on the part of histopathologists. We report the case of a pleomorphic adenoma in a 32-year-old woman, and we review the literature on glandular neoplasms of the EAC, with particular emphasis on terminology and factors that can hinder the diagnosis.

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