Abstract:

Pleomorphic adenoma, also known as mixed tumor, is the most common tumor type in the salivary glands: Most commonly the parotid gland. pleomophic adenomas may also occur at other sites including the larinx, paranasal sinuse, palete, nasal septum, vulva, and skin (chondroid syringoma). Pleomorphic adenoma of the breast is rare, and to date only 74 cases have been documented in the word literature. A 53 year- old woman was referred to a phyician with 3 month history of a painless palpabl breast mass. A mammogram performed showed a 13mm, lobulated high-density mass in the immediately below the left nipple. The neoplasm consisted of epithelial, stellate, and spindle cells in pale blue myxoid and hyalinized stroma. The aim of this report is to reitrate and alert the clinicians about rare occurrences including pleomorphic adenomas in the breast.Particularly in the presence of suspicious clinicoradiologic findings, an awareness of these benign lesions will help render an accurate diagnosis and prevent unnecessarily aggressive surgery.

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