Sentinel-Node-Driven Personalized Radiation Techniques Ranging from Partial Breast Irradiation to Regional Nodal Radiation after Breast-Conserving Surgery — Oak Academic Publishing
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Sentinel-Node-Driven Personalized Radiation Techniques Ranging from Partial Breast Irradiation to Regional Nodal Radiation after Breast-Conserving Surgery
Department of Breast Oncology, Tokyo-West Tokushukai Hospital, Tokyo, Japan
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Department of Breast Oncology, Tokyo-West Tokushukai Hospital, Tokyo, Japan
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Department of Breast Oncology, Tokyo-West Tokushukai Hospital, Tokyo, Japan
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Department of Radiation Oncology, Tokyo- West Tokushukai Hospital, Tokyo, Japan
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Department of Radiation Oncology, Tokyo- West Tokushukai Hospital, Tokyo, Japan
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Department of Radiation Oncology, Tokyo- West Tokushukai Hospital, Tokyo, Japan
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Department of Breast Oncology, Tokyo-West Tokushukai Hospital, Tokyo, Japan
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Inoue Ladies Clinic, Tokyo, Japan
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Seto Hospital, Saitama, Japan
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Health Evaluation Center, Utsunomiya Memorial Hospital, Tochigi, Japan
1 Department of Breast Oncology, Tokyo-West Tokushukai Hospital, Tokyo, Japan
2 Department of Breast Oncology, Tokyo-West Tokushukai Hospital, Tokyo, Japan
3 Department of Breast Oncology, Tokyo-West Tokushukai Hospital, Tokyo, Japan
4 Department of Radiation Oncology, Tokyo- West Tokushukai Hospital, Tokyo, Japan
5 Department of Radiation Oncology, Tokyo- West Tokushukai Hospital, Tokyo, Japan
6 Department of Radiation Oncology, Tokyo- West Tokushukai Hospital, Tokyo, Japan
7 Department of Breast Oncology, Tokyo-West Tokushukai Hospital, Tokyo, Japan
8 Inoue Ladies Clinic, Tokyo, Japan
9 Seto Hospital, Saitama, Japan
10 Health Evaluation Center, Utsunomiya Memorial Hospital, Tochigi, Japan
Background: Breast-conserving surgery (BCS) followed by whole breast irradiation (WBI) has become the standard of care for treating patients with early-stage breast cancer. Recently, various radiation techniques followed by BCS have been reported. We have been investigating “personalized radiotherapy after BCS” ranging from accelerated partial breast irradiation (APBI) to WBI with regional nodal irradiation (RNI) based on the axillary node status. In this study, we compared different cohorts that received personalized radiotherapy. Method: Of 317 consecutive patients who un derwent BCS followed by radiotherapy since November 2007, 187 who received APBI and 122 who received WBI were analyzed. Results: The local-only recurrence rate was 1.1% in the APBI group and 3.3% in the WBI group, and the regional-only recurrence rate was 1.1% for APBI and 0.8% for WBI. Conclusions: The clinical efficacy of APBI for local control after BCS was comparable to that of WBI ± RNI. Although this study was based on a small number of patients with a short follow-up period, the feasibility of breast-conserving therapy using multicatheter brachytherapy to achieve acceptable clinical outcomes was demonstrated.
KeywordsBreast CancerPersonalized RadiotherapySentinel NodePartial Breast IrradiationRegional Nodal Radition
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