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Interstitial high-dose-rate brachytherapy after breast conserving surgery.
Antonio Rulli1, Francesco Barberini, Michele Scialpi
1Breast Unit, Perugia General Hospital, Perugia, Italy.
Oncology Reports
|July 3, 2010
Summary
High-dose-rate (HDR) brachytherapy as partial breast irradiation (PBI) showed no local recurrence in early-stage breast cancer patients. This HDR brachytherapy technique also demonstrated low toxicity and excellent cosmetic outcomes.
Area of Science:
- Oncology
- Radiotherapy
- Surgical Oncology
Background:
- Breast-conserving surgery (BCS) is a standard treatment for early-stage breast cancer.
- Adjuvant radiotherapy is often used after BCS to reduce local recurrence risk.
- High-dose-rate (HDR) brachytherapy offers a precise method for delivering radiation.
Purpose of the Study:
- To evaluate the efficacy and safety of HDR brachytherapy for partial breast irradiation (PBI) in patients treated after breast-conserving surgery.
- To assess local recurrence rates, toxicity, and cosmetic outcomes in this patient cohort.
- To explore the feasibility of HDR brachytherapy for treating local relapse after previous breast-conserving surgery.
Main Methods:
- A prospective phase II study included 72 patients treated with HDR brachytherapy.
- PBI was the primary method, used in 64 patients with low-risk early-stage breast cancer.
- HDR brachytherapy was also used as a boost after external beam radiotherapy (5 patients) and for local relapse after re-excision (3 patients).
Main Results:
- No local recurrences were observed at a median follow-up of 32 months.
- The HDR brachytherapy implant was well tolerated, with no premature catheter removal.
- Toxicity rates were very low, and excellent/good cosmetic outcomes were reported in a high percentage of patients.
Conclusions:
- PBI administered with HDR brachytherapy is a feasible and effective treatment option for selected patients with low-risk early-stage breast cancer.
- HDR brachytherapy appears to be a viable option for repeat radiotherapy after salvage breast-conserving surgery for local relapse, aiding in breast preservation.
