Author:
Kouloulias Vassilis,Mosa Eftychia,Zygogianni Anna,Kypraiou Efrosini,Georgakopoulos John,Platoni Kalliopi,Antypas Christos,Kyrgias George,Tolia Maria,Papadimitriou Christos,Psyrri Amanda,Patatoukas George,Dilvoi Maria,Armpilia Christina,Theodorou Kyriaki,Kalogeridi Maria-Aggeliki,Beli Ivelina,Kouvaris John,Kelekis Nikolaos
Abstract
Introduction: The aim of this analysis was a retrospective evaluation of the efficacy and toxicity of 2 hypofractionated irradiation schedules compared to conventional therapy in post-mastectomy patients. Methods: 3 irradiation schedules were analyzed: 48.30 Gy in 21 fractions (group A, n = 60), 42.56 Gy in 16 fractions (group B, n = 27) and 50 Gy in 25 fractions (group C, n = 30) of the front chest wall. All groups were also treated with a supraclavicular field, with 39.10 Gy in 17 fractions (group A), 37.24 Gy in 14 fractions (group B) or 45 Gy in 25 fractions (group C). Results: No local recurrences were noted in any group during 36 months of follow-up. Acute skin toxicity presented in all groups, with 58.3%, 70.4% and 60% of grade I; 35%, 25.9% and 40% of grade II; 6.7%, 3.7% and 0% of grade III being seen in groups A, B and C, respectively. Late skin toxicity was noted only as grade I in 16.7%, 25.9% and 26.7% of groups A, B and C, respectively. No significant difference was noted among all groups for either acute or late skin toxicity, or for radio-pneumonitis (chi2 test, p > 0.05). Conclusion: All schedules were equally effective with equivalent toxicity. A prospective randomized study is needed to confirm our results.
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15 articles.
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