The impact of linac output variations on dose distributions in helical tomotherapy
نویسندگان
چکیده
منابع مشابه
The impact of linac output variations on dose distributions in helical tomotherapy.
It has been suggested for quality assurance purposes that linac output variations for helical tomotherapy (HT) be within +/-2% of the long-term average. Due to cancellation of systematic uncertainty and averaging of random uncertainty over multiple beam directions, relative uncertainties in the dose distribution can be significantly lower than those in linac output. The sensitivity of four HT c...
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ژورنال
عنوان ژورنال: Physics in Medicine and Biology
سال: 2007
ISSN: 0031-9155,1361-6560
DOI: 10.1088/0031-9155/53/2/009