Beyond the Abstract - The dosimetric effect of intrafraction prostate motion on step-and-shoot intensity-modulated radiation therapy plans: Magnitude, correlation with motion parameters, and comparison with helical tomotherapy plans, by Katja Langen, PhD

BERKELEY, CA (UroToday.com) - The dosimetric effect of intrafraction prostate motion during intensity modulated radiation therapy (IMRT) was investigated.

It was found that the dosimetric effect on step-and-shoot IMRT plans is, in general, small, with a mean D95% degradation of 0.2±0.5% in the clinical target volume. The dosimetric effects were found to be poorly correlated with metrics extracted from the measured intrafraction motion data.

Similarly, dosimetric effects calculated for two different intensity-modulated delivery techniques were poorly correlated.

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Katja Langen, PhD as part of Beyond the Abstract on UroToday.com. This initiative offers a method of publishing for the professional urology community. Authors are given an opportunity to expand on the circumstances, limitations etc... of their research by referencing the published abstract.

The dosimetric effect of intrafraction prostate motion on step-and-shoot intensity-modulated radiation therapy plans: Magnitude, correlation with motion parameters, and comparison with helical tomotherapy plans - Abstract

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