Leiomyoma of the External Auditory Canal

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The differental diagnosis of aural polyps includes both benign and malignant processes, including carcinoma. We present the case of a polyp arising after trauma to the ear. The entire external auditory meatus was occluded, causing a maximal conductive hearing loss on the affected side. This did not appear to be a typical aural polyp and carcinoma was suspected. Biopsy revealed the mass to be a leiomyoma of the external auditory canal. This benign tumor was treated by complete excision. The clinical and pathological findings of this extremely rare tumor of the external auditory canal are described. To our knowledge, this is the first reported case of leiomyoma arising from the external auditory canal in the English literature.

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