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  • Title: Partial breast irradiation for locally recurrent breast cancer within a second breast conserving treatment: alternative to mastectomy? Results from a prospective trial.
    Author: Kauer-Dorner D, Pötter R, Resch A, Handl-Zeller L, Kirchheiner K, Meyer-Schell K, Dörr W.
    Journal: Radiother Oncol; 2012 Jan; 102(1):96-101. PubMed ID: 21907439.
    Abstract:
    PURPOSE: To 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 METHODS: Between 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. RESULTS: The 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. CONCLUSIONS: Accelerated 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.
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