Abstract
Purpose of Review
Postmastectomy radiotherapy (PMRT) is often a component of treatment algorithms for locally advanced or node-positive breast cancer. Breast reconstruction may be delayed or not performed due to negative effects of PMRT on the reconstruction. Administering radiotherapy in the preoperative setting allows for immediate breast reconstruction (IBR) to be performed in patients who have indications for PMRT and desire IBR. This review summarizes the current literature on this new concept.
Recent Findings
Most prospective treatment protocols included neoadjuvant systemic therapy followed by radiotherapy (RT) dose of 50–50.4 Gy conventionally fractionated and mastectomy with immediate autologous reconstruction after 6–8 weeks. There were no cases of IBR being aborted due to technical complications and overall postoperative complications ranged from 3 to 36%. These were typically non-operatively managed, and cosmetic results when evaluated were favorable. Initial oncologic outcomes indicate low locoregional recurrence rates (≤ 10%) and high 5-year overall survival rates of 87–98%.
Summary
Although published studies are heterogeneous in nature, they suggest that preoperative RT followed by mastectomy with IBR is technically feasible and safe. Larger prospective studies with longer follow-up times may establish this as a new standard in the multidisciplinary treatment of high-risk breast cancer.
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Funding
This work was supported by the PH and Fay Etta Robinson Distinguished Professorship in Cancer Research (HMK) and a Cancer Center Support Grant from the National Institutes of Health (NIH) (CA16672).
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Henry Kuerer reports personal fees and other from Genomic Health, Inc.; other from Physicians’ Education Resource, LLC; personal fees from TME, Inc.; personal fees from McGraw-Hill Professional, UpToDate, Inc.; grants from National Cancer Institute; other from Annals of Surgical Oncology; other from NRG Oncology (Institutional PI and Breast Committee); other from American Society of Breast Surgeons (Chair, Publications Committee); and personal fees from NEJM Group, Inc. outside the submitted work. Puneet Singh declares no conflicts of interest relevant to this manuscript.
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Singh, P., Kuerer, H.M. Preoperative Radiotherapy Trials to Facilitate Immediate Breast Reconstruction after Mastectomy. Curr Breast Cancer Rep 11, 287–292 (2019). https://doi.org/10.1007/s12609-019-00328-0
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DOI: https://doi.org/10.1007/s12609-019-00328-0