• Daniela Kauer-Dorner, Richard Pötter, Alexandra Resch, Leonore Handl-Zeller, Kathrin Kirchheiner, Katja Meyer-Schell, and Wolfgang Dörr.
• Department of Radiotherapy, Medical University of Vienna, Austria. daniela.kauer-dorner@akhwien.at
• Radiother Oncol. 2012 Jan 1; 102 (1): 96-101.

PurposeTo assess the outcome of multi-catheter pulse dose rate (PDR) brachytherapy of re-irradiation for local ipsilateral breast tumour recurrence (IBTR) in regard to local control, survival, morbidity and quality of life (QoL).Patients And MethodsBetween 1999 and 2006, 39 patients were included with histologically confirmed IBTR, Karnofsky index ≥80% and refusal of mastectomy. Exclusion criteria were multicentric invasive growth pattern, unclear surgical margins, distant metastasis and a postoperative breast not suitable for interstitial brachytherapy. Primary endpoint was local tumour control. Morbidity, cosmetic outcome and QoL were assessed in 24/39 patients.ResultsThe five year actuarial local control rate was 93% after a mean follow up of 57 (±30) months with two second local relapses. Overall survival and disease free survival, both at 5 years, were 87% and 77%, respectively. Late side effects Grade 1-2 were observed in 20/24 patients after a mean follow-up of 30 (±18) months. Late side effects ≥Grade 3 occurred in 4/24 patients. Cosmetic outcome was excellent to fair in 76% of women. Overall QoL was comparable to a healthy control group. Mean scores of scales and items of QLQ-BR23 were comparable to primary breast conserving therapy.ConclusionsAccelerated PDR-brachytherapy following breast conserving surgery (BCS) for local IBTR results in local tumour control comparable to mastectomy. Morbidity is moderate; the cosmetic outcome is good and hardly any impairment on QoL is observed.Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.

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