High-Energy Photons in IMRT: Uncertainties and Risks for Questionable Gain
نویسندگان
چکیده
منابع مشابه
High-energy photons in IMRT: uncertainties and risks for questionable gain.
For a start, although integral dose is generally assumed to be improved by the use of higher energy photons, there is concern that some treatment planning systems might not effectively model the “beam narrowing” at depth observed with high energy photons in the small radiation beamlets encountered in IMRT. This phenomenon is caused by lateral beam degradation due to penumbra widening (8); when ...
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ژورنال
عنوان ژورنال: Technology in Cancer Research & Treatment
سال: 2007
ISSN: 1533-0346,1533-0338
DOI: 10.1177/153303460700600212