• Int. J. Radiat. Oncol. Biol. Phys. · Mar 2013

    Cosmetic analysis following breast-conserving surgery and adjuvant high-dose-rate interstitial brachytherapy for early-stage breast cancer: a prospective clinical study.

    • Adam A Garsa, Daniel J Ferraro, Todd DeWees, Julie A Margenthaler, Michael Naughton, Rebecca Aft, William E Gillanders, Timothy Eberlein, Melissa A Matesa, and Imran Zoberi.
    • Department of Radiation Oncology, Siteman Cancer Center, Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO 63110, USA .
    • Int. J. Radiat. Oncol. Biol. Phys. 2013 Mar 15; 85 (4): 965-70.

    PurposeTo prospectively evaluate cosmetic outcomes in women treated with accelerated partial breast irradiation using high-dose-rate interstitial brachytherapy for early-stage breast cancer.Methods And MaterialsBetween 2004 and 2008, 151 patients with early-stage breast cancer were enrolled in a phase 2 prospective clinical trial. Eligible patients had stage Tis-T2 tumors of ≤3 cm that were excised with negative margins and with no nodal involvement. Patients received 3.4 Gy twice daily to a total dose of 34 Gy. Both the patients and the treating radiation oncologist qualitatively rated cosmesis as excellent, good, fair, or poor over time and ascribed a cause for changes in cosmesis. Cosmetic outcome was evaluated quantitatively by percentage of breast retraction assessment (pBRA). Patients also reported their satisfaction with treatment over time.ResultsMedian follow-up was 55 months. The rates of excellent-to-good cosmesis reported by patients and the treating radiation oncologist were 92% and 97% pretreatment, 91% and 97% at 3 to 4 months' follow-up, 87% and 94% at 2 years, and 92% and 94% at 3 years, respectively. Breast infection and adjuvant chemotherapy were independent predictors of a fair-to-poor cosmetic outcome at 3 years. Compared to pretreatment pBRA (7.35), there was no significant change in pBRA over time. The volume receiving more than 150 Gy (V150) was the only significant predictor of pBRA. The majority of patients (86.6%) were completely satisfied with their treatment.ConclusionsPatients and the treating physician reported a high rate of excellent-to-good cosmetic outcomes at all follow-up time points. Acute breast infection and chemotherapy were associated with worse cosmetic outcomes. Multicatheter interstitial brachytherapy does not significantly change breast size as measured by pBRA.Copyright © 2013 Elsevier Inc. All rights reserved.

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