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Stereotactic body radiation therapy with CyberKnife accelerator for low- and intermediate risk prostate cancer.

08:00 EDT 19th March 2019 | BioPortfolio

Summary of "Stereotactic body radiation therapy with CyberKnife accelerator for low- and intermediate risk prostate cancer."

We report implementation of stereotactic body radiotherapy (SBRT) for the treatment of early, localized prostate cancer patients, and acute side effects caused by radiation therapy. Between February 2018 and July 2018, 36 prostate cancer patients were treated with SBRT. Treatments were performed with "CyberKnife M6" linear accelerator. In low-risk patients 8 Gy was delivered to the prostate in each fraction. For intermediate risk, 8 Gy to the prostate and 6.5 Gy to the seminal vesicles were delivered by each fraction with a simultaneous integrated boost technique. A total of 5 fractions (total dose 40 Gy) were given every second working days. Acute radiogenic genitourinary (GU) and gastrointestinal (GI) side effects were assessed using the Radiation Therapy Oncology Group (RTOG) score. The duration of radiotherapy was 1 week and 3 days. The frequency of acute radiogenic side effects was as follows: GU grade 0: 13.9%, grade
I:
30.6%, grade
II:
52.8%, grade
III:
2.7%. GI grade 0: 55.5%, grade
I:
30.6%, grade
II:
13.9%, grade
III:
0%. Grade IV-V side effects were not observed. SBRT appears to be a safe and well tolerated treatment in patients with early stage, localized prostate cancer.

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Journal Details

This article was published in the following journal.

Name: Magyar onkologia
ISSN: 0025-0244
Pages: 52-59

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