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Σάββατο 31 Μαρτίου 2018

Re-irradiation as salvage treatment in recurrent glioblastoma: a comprehensive literature review to provide practical answers to frequently asked questions

Publication date: Available online 31 March 2018
Source:Critical Reviews in Oncology/Hematology
Author(s): Silvia Scoccianti, Giulio Francolini, Giulio Alberto Carta, Daniela Greto, Beatrice Detti, Gabriele Simontacchi, Luca Visani, Muhammed Baki, Linda Poggesi, Pierluigi Bonomo, Monica Mangoni, Isacco Desideri, Stefania Pallotta, Lorenzo Livi
The primary aim of this review is to provide practical recommendations in terms of fractionation, dose, constraints and selection criteria to be used in the daily clinical routine.Based on the analysis of the literature reviewed, in order to keep the risk of severe side effects <3,5%, patients should be stratified according to the target volume. Thus, patients should be treated with different fractionation and total EQD2 (<12,5 ml: EQD2 < 65 Gy with radiosurgery; >12,5 ml and <35 ml: EQD2 < 50 Gy with hypofractionated stereotactic radiotherapy; >35 m l and <50 ml: EQD2 < 36 Gy with conventionally fractionated radiotherapy).Concurrent approaches with temozolomide or bevacizumab do not seem to improve the outcomes of reirradiation and may lead to a higher risk of toxicity but these findings need to be confirmed in prospective series.



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