Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
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alsfakia@gmail.com

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Πέμπτη 23 Νοεμβρίου 2017

Plesiobrachytherapy for chest wall recurrences of breast cancer after mastectomy and radiotherapy for breast cancer

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Publication date: Available online 23 November 2017
Source:Brachytherapy
Author(s): Nadia Besson, Christophe Hennequin, Sophie Guillerm, Ingrid Fumagalli, Valentine Martin, Sophie Michaud, Luis Texeira, Laurent Quero
PurposeThe purpose of the study was to evaluate the results of high-dose-rate plesiobrachytherapy for local relapse after mastectomy and radiotherapy in terms of both local control and survival.MethodsWe reviewed retrospectively 43 patients who experienced a chest wall relapse of breast cancer after local excision (22 patients) or not (21 patients). Patients were treated with an individually designed mold with four to six fractions of 3–6 Gy high-dose-rate brachytherapy, two fractions per week. Mean total dose was 24 Gy.ResultsAfter surgical resection, the 3- and 5-year local control rates were 80% and 73%, respectively. For nonresectable patients, the overall response rate was 86%, and the 3-year infield local control and chest wall local control were 51% and 26%, respectively. The 5-year survival rate was 50.5% for the whole population, 62% after surgery, and 45.4% for irresectable patients. Acute Grade 2 or 3 toxicity occurred in 43% of the patients, resolving in a few days. Two patients had a local necrosis lasting 3 to 7 months. Late toxicity was observed in 5 patients.ConclusionsHigh-dose-rate plesiobrachytherapy is a simple outpatient technique to treat chest wall local relapse of breast cancer. As a reirradiation technique, its tolerance is acceptable. This technique may obtain long-term local control after incomplete surgery; in case of nonresectable disease, a high response rate was observed, which might improve the quality of life of these patients.



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