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Semin Radiat Oncol. 2017 Jan;27(1):34-42. doi: 10.1016/j.semradonc.2016.08.004. Epub 2016 Aug 25.

Emerging Technologies and Techniques in Radiation Therapy.

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Department of Therapeutic Radiology, Yale School of Medicine, New Haven, CT.
Department of Therapeutic Radiology, Yale School of Medicine, New Haven, CT. Electronic address:


The past decade has brought an improved ability to precisely target and deliver radiation as well as other focal prostate-directed therapy. Stereotactic body radiotherapy (SBRT), proton beam radiation, high-dose-rate (HDR) brachytherapy, as well as nonradiotherapy treatments such as cryoablation and high-intensity focused ultrasound are several therapeutic modalities that have been investigated for the treatment of prostate cancer in an attempt to reduce toxicity while improving cancer control. However, high-risk prostate cancer requires a comprehensive treatment of the prostate as well as areas at risk for cancer spread. Therefore, most new radiation treatment (SBRT, HDR, and proton beam radiation) modalities have been largely investigated in combination with regional radiation therapy. Though the evidence is evolving, the use of SBRT, HDR, and proton beam radiation is promising. Nonradiation focal therapy has been proposed mainly for partial gland treatment in men with low-risk disease, and its use in high-risk prostate cancer patients remains experimental.

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