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Ann Surg Oncol. 2011 May;18(5):1356-63. doi: 10.1245/s10434-010-1434-0. Epub 2010 Dec 2.

Mastectomy and contralateral prophylactic mastectomy rates: an institutional review.

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  • 1Department of Surgery, Breast Care Center, The George Washington University, Washington, DC, USA.



Breast conservation surgery (BCS) followed by radiation is as effective as mastectomy for long-term survival and is considered standard of care for early-stage breast cancer. An increasing number of patients are opting for cancer-side mastectomies (CM) and often contralateral prophylactic mastectomies (CPM). Our study investigates if there are increasing trends in our patient population toward CM and CPM and identifies common factors associated with those electing to have more extensive surgery.


A retrospective analysis was performed on 812 breast cancer surgeries between January 2001 and December 2009 at The George Washington University Breast Care Center. BCS-eligible patients who elected to have BCS were compared with those who chose CM. Patients who underwent CM were compared with patients undergoing CM and CPM.


A personal or family history of breast cancer and larger tumor size were positively associated with choosing CM in BCS-eligible patients. A nonstatistically significant trend toward CM was seen in younger patients. Age, family history, fewer children, Caucasian race, and reconstructive surgery were positively associated with choosing CPM.


Mastectomy rates at this institution have not shown the recent sharp increase observed by some authors. The association of age, race, family history, and parity with CPM has been corroborated in multiple studies. However, there is disagreement between statistically significant findings among investigators evaluating factors associated with CPM, and there is limited data in the literature characterizing BCS-eligible patients who chose CM. Larger prospective studies are necessary to further evaluate CM and CPM rates.

[PubMed - indexed for MEDLINE]
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