Multimodal image and mapping guided focal salvage high-dose-rate brachytherapy for local recurrent prostate cancer.
2017
122Background: Image guided brachytherapy and mapping biopsy could reduce the toxicity of the total salvage brachytherapy. This study evaluate the tumor control and the tolerance of a focal real time salvage high-dose-rate (HDR) brachytherapy to treat the local relapse as defined on transperineal mapping biopsy, multipara-metric MRI and Choline PETSCAN on the same treatment planning. Methods: Between October 2013 and June 2016, Twenty-nine patients with local relapse on Choline PET Scan after a primary irradiation had a salvage HDR Brachytherapy (2 fractions of 10 Gy within 4-6 hours in one implant) without hormone. One month before brachytherapy All patients had real time transperineal randomized European regions standardised magnetic resonance imaging (MRI) prostate biopsies and targeted biopsies with a fusion of T2 MRI sequence /CholinePETscan (50 % SUV) to intraoperative transrectal ultrasound one month before brachytherapy. We used Flex Focus 400 ultrasound machine BK, Vitesse 3.0 and 3 D navigation ...
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