Pleomorphic adenoma of the breast. A case report and distinction from mucinous carcinoma.
case_report · Level V
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Abstract
Pleomorphic adenoma of the breast is a rare, benign tumor accounting for 68 cases in the literature. It is most commonly seen in postmenopausal women and is characterized by an admixture of epithelial and myoepithelial cells embedded in abundant myxomatous stroma. Its clinical and histologic appearance can be challenging and may lead to a misdiagnosis of invasive carcinoma. We report a case of mammary pleomorphic adenoma in an asymptomatic 59-year-old woman and briefly discuss its distinction from mucinous carcinoma through the use of special stains.
Medical subject headings
- Adenoma, Pleomorphic
- Breast Neoplasms
- Sweat Gland Neoplasms