Heli Virsunen

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PURPOSE The aim of this study was to compare dosimetric characteristics, monitor unit, and delivery efficiency of 4 different stereotactic body radiotherapy techniques for the treatment of prostate cancer. METHODS This study included 8 patients with localized prostate cancer. Dosimetric assets of 4 delivery techniques for stereotactic body radiotherapy(More)
Surgery has been the standard treatment in localized non-small cell lung cancer. Some of the early stage lung cancer patients are not suitable for surgery owing to associated diseases or refusing surgery. Ninety percent of untreated patients die within five years. Stereotactic ablative radiotherapy is a technique in which highly focused radiation treatment(More)
BACKGROUND The use of hypofractionated stereotactic body radiotherapy (SBRT) as primary treatment modality in clinically localized prostate cancer (PCa) is emerging, because the low α/β-ratio favors the use of high dose per fraction in PCa. There is a need for more data about SBRT, especially in high-risk PCa patients. The purpose of this retrospective(More)
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