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REVIEW ARTICLE
Year : 2021  |  Volume : 17  |  Issue : 2  |  Page : 303-310

Effectiveness of rectal displacement devices during prostate external-beam radiation therapy: A review


1 Department of Radiation Oncology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
2 Department of Medical Physics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
3 Department of Radiology, Faculty of Para-Medicine, Hormozgan University of Medical Sciences, Bandar-Abbas, Iran
4 Department of Radiation Oncology, Shohada-e-Tajrish Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
5 Department of Radiologic Sciences and Medical Physics, Faculty of Allied Medicine, Kerman University of Medical Sciences, Kerman, Iran
6 Department of Medical Physics, School of Medicine, Iran University of Medical Sciences; Department of Medical Physics, Roshana Cancer Institute, Tehran, Iran

Correspondence Address:
Hamed Ghaffari
Department of Medical Physics, School of Medicine, Iran University of Medical Sciences, Tehran
Iran
Seied Rabi Mahdavi
Department of Medical Physics, School of Medicine, Iran. University of Medical Sciences, Tehran
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jcrt.JCRT_841_19

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Dose-escalated prostate radiotherapy (RT) can improve treatment outcomes, but rectal toxicity is the main limiting factor for introducing dose-escalated RT. Pushing rectal wall away from the prostate reduces the volume of the rectum in high-dose region, which can decrease both short- and long-term rectal toxicities after RT. This review focuses on the literature using different rectal displacement devices such as endorectal balloons, tissue spacers, rectal retractor, and ProSpare during prostate External beam radiotherapy, with regard to dosimetric effects, clinical benefits, prostate motion, and postoperative RT setting.


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