IMR Press / EJGO / Volume 32 / Issue 4 / pii/1630980376827-1776443058

European Journal of Gynaecological Oncology (EJGO) is published by IMR Press from Volume 40 Issue 1 (2019). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with S.O.G.

Case Report
Pleomorphic adenoma of the breast initially misdiagnosed as metaplastic carcinoma in preoperative stereotactic biopsy: A case report and review of the literature
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1 Department of Obstetrics and Gynecology, University Würzburg
2 Department of Pathology, University Würzburg
3 Center for Radiology/ Mammographic Screening, Würzburg (Germany)
Eur. J. Gynaecol. Oncol. 2011, 32(4), 427–430;
Published: 10 August 2011

Pleomorphic adenoma (PA) is a benign mixed tumor found commonly in the salivary glands but rarely in the breast. PA might be misinterpreted clinically and pathologically as a malignant tumor. The differential diagnoses include fibroadenoma, phyllodes tumor and metaplastic carcinoma. Metaplastic carcinoma is the most important entitiy with respect to differential diagnoses, as surgical overtreatment, i.e., mastectomy may be the result. We describe one of the first cases of PA initially misdiagnosed as metaplastic carcinoma (osteoid-chondroid type) in a preoperative stereotactic biopsy and review the literature regarding this entity.
Pleomorphic adenoma
Metaplastic carcinoma
Stereotactic biopsy
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