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Task Group 101 of the AAPM has prepared this report for medical physicists, clinicians, and therapists in order to outline the best practice guidelines for the external-beam radiation therapy technique referred to as stereotactic body radiation therapy (SBRT). The task group report includes a review of the literature to identify reported clinical findings(More)
Intracranial stereotactic positioning systems (ISPSs) are used to position patients prior to precise radiation treatment of localized lesions of the brain. Often, the lesion is located in close proximity to critical anatomic features whose functions should be maintained. Many types of ISPSs have been described in the literature and are commercially(More)
Subcommittee of the Clinical Affairs and Quality Committee of the American Society for Radiation Oncology (ASTRO) as a part of ASTRO's Target Safely Campaign. The SBRT white paper was reviewed by 8 experts from the field of SBRT. All the comments were reviewed and discussed by the entire task group and appropriate revisions were incorporated in the paper(More)
Cardiac-synchronized brain motion is well documented, but the accurate measurement of such motion on the pixel-by-pixel basis has been hampered by the lack of proper imaging technique. In this article, the authors present the implementation of an autotracking spiral cine displacement-encoded stimulation echo (DENSE) magnetic resonance imaging (MRI)(More)
The aim of study was to assess the thoracic spinal cord motion during normal breathing using dynamic magnetic resonance imaging (dMRI). We found that the mean motion range at different thoracic levels is typically within 0.5mm. The good stability makes this an excellent position for stereotactic radiotherapy (SBRT).
OBJECTIVE The research quantitatively evaluates the dosimetric advantage of a helical tomotherapy (HT) intensity-modulated radiation therapy simultaneous integrated boost (SIB) compared to a conventional HT sequential (SEQ) boost for primary intracranial tumors. METHODS Hypothetical lesions (planning target volumes or PTVs) were contoured within computed(More)
In this report the authors review the use of radiotherapy in the treatment of central nervous system (CNS) metastasis. They comment on different treatment methods for both intracranial and extracranial CNS metastasis and discuss some of the evidence supporting the use of radiotherapy in these settings. Recent advancements in radiation oncology technology(More)
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