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Surg Oncol. 2011 Dec;20(4):e143-8. doi: 10.1016/j.suronc.2011.04.007. Epub 2011 May 24.

Management of non metastatic phyllodes tumors of the breast: review of the literature.

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  • Department of Medical Oncology, Centro Oncologico MD Anderson International España, Calle Arturo Soria, 270, Madrid, Spain. drkhosravi@hotmail.com


Phyllodes tumors of the breast are rare tumors, accounting for less than 0.5% of all breast tumors. These tumors are comprised of both stromal and epithelial elements; and traditionally they are graded by the use of a set of histologic features into benign, borderline, and malignant subtypes. Unfortunately, the histologic classification of phyllodes tumors does not reliably predict clinical behavior. The mainstay of treatment of non metastatic phyllodes tumors of the breast is complete surgical resection with wide resection margins. Lumpectomy or partial mastectomy is the preferred surgical therapy. However, despite the complete surgical resection, local failure rate may be high; and 22% of malignant tumors may give rise to haematogenous metastases. The most frequent site of distant metastases is the lungs. Several predictive factors of recurrence and metastases have been described in the literature, such as positive surgical margins, increased stromal cellularity, stromal overgrowth, stromal atypia and increased mitotic activity. Nevertheless, the role of adjuvant therapies (radiotherapy and chemotherapy) is presently undefined and should be tested in multicenter, prospective, randomized trials.

Copyright © 2011 Elsevier Ltd. All rights reserved.

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