Related Experiment Video
Updated: Jun 5, 2026
13:35
Endoscopic Bilateral Nipple-sparing Mastectomy via a Single Axillary Incision with Immediate Pre-pectoral Implant-based Breast Reconstruction
Published on: May 17, 2024
Breast cancer after bilateral risk-reducing mastectomy
A-B Skytte1, D Crüger, M Gerster
1Department of Clinical Genetics, Vejle Hospital, Vejle, Denmark. Anne-Bine.Skytte@slb.regionsyddanmark.dk
Clinical Genetics
|January 5, 2011
Summary
Risk-reducing mastectomy (RRM) significantly lowers breast cancer incidence in healthy BRCA mutation carriers. Post-mastectomy cancer rates were 0.8% annually versus 1.7% in the non-operated group.
Area of Science:
- Oncology
- Genetics
- Surgical Oncology
Background:
- BRCA mutations significantly increase breast and ovarian cancer risk.
- Risk-reducing mastectomy (RRM) is a strategy to mitigate this elevated risk.
- Long-term data on post-RRM breast cancer incidence in BRCA carriers is crucial for management decisions.
Purpose of the Study:
- To evaluate the long-term incidence of breast cancer following risk-reducing mastectomy (RRM) in healthy BRCA mutation carriers.
- To compare post-mastectomy breast cancer rates with those in BRCA carriers who did not undergo RRM.
- To inform genetic counseling and clinical management strategies for BRCA mutation carriers.
Main Methods:
- Long-term follow-up study of 307 healthy BRCA mutation carriers.
- Comparison between 96 participants who underwent RRM and those who did not.
- Exclusion of participants with prior breast/ovarian cancer or prior prophylactic surgeries (RRM/BSO) before BRCA testing.
Main Results:
- The annual incidence of breast cancer after RRM was 0.8%.
- The annual incidence of breast cancer in the non-operated BRCA carrier group was 1.7%.
- RRM demonstrated a reduction in post-operative breast cancer incidence.
Conclusions:
- Risk-reducing mastectomy is an effective intervention for lowering breast cancer incidence in BRCA mutation carriers.
- Findings support the role of RRM in the management of high-risk individuals.
- Results have implications for genetic counseling and personalized cancer prevention strategies.
