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Predictors of local recurrence after breast-conservation therapy
Kathleen C Horst1, Melanie C Smitt, Don R Goffinet
1Department of Radiation Oncology, Stanford University, CA 94305, USA.
Clinical Breast Cancer
|March 8, 2005
Summary
Understanding predictors for ipsilateral breast tumor recurrence after breast-conserving therapy (BCT) is crucial. Identifying these factors helps select optimal local treatment strategies for early-stage breast cancer patients undergoing BCT.
Area of Science:
- Oncology
- Surgical Oncology
- Radiation Oncology
Background:
- Breast-conserving therapy (BCT) is a standard treatment for early-stage breast cancer.
- Predicting recurrence risk is essential for optimizing patient selection and treatment planning.
Purpose of the Study:
- To review known and potential predictors of ipsilateral breast tumor recurrence (IBTR) in patients treated with BCT.
- To identify pathologic, clinical, and treatment-related factors influencing IBTR risk.
Main Methods:
- Literature review of studies examining predictors of IBTR after BCT.
- Analysis of pathologic findings (margin status, extensive intraductal component, lobular carcinoma in situ), clinical factors (age), and treatment variables (radiation, boost, systemic therapy).
Main Results:
- Pathologic factors like margin status and extensive intraductal component are significant predictors of IBTR.
- Younger age and positive margins in prior excisions predict positive repeat excision findings.
- Treatment factors including radiation extent, boost use, and systemic therapy timing influence recurrence risk.
Conclusions:
- Accurate prediction of IBTR risk aids in selecting appropriate local treatment strategies for BCT candidates.
- Understanding these predictors can personalize treatment and improve outcomes for early-stage breast cancer.