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Monte Carlo based, patient-specific RapidArc QA using Linac log files
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10.1118/1.3266821
/content/aapm/journal/medphys/37/1/10.1118/1.3266821
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/37/1/10.1118/1.3266821

Figures

Image of FIG. 1.
FIG. 1.

Schematic representation of the QA tests performed in this study.

Image of FIG. 2.
FIG. 2.

Planned gantry angle as a function of cumulative MU (continuous) and actual gantry angle as a function of cumulative MU (dashed) for plan 4.

Image of FIG. 3.
FIG. 3.

RapidArc TPS and Monte Carlo calculated dose to the active volume of the ionization chamber relative to measurements in a water-equivalent cylinder phantom. The MC uncertainty is .

Image of FIG. 4.
FIG. 4.

Dose distribution comparison between RapidArc TPS (left) and Monte Carlo with DynaLog files (right) on a water-equivalent cylinder for plan 1.

Image of FIG. 5.
FIG. 5.

Dose distribution comparison between RapidArc TPS (top left), S10 Dyna (top right), S10 DVA (bottom left), and 176 GA (bottom right) on a water-equivalent cylinder for plan 4.

Image of FIG. 6.
FIG. 6.

Absolute dose difference between RapidArc TPS and S10 DVA (left), RapidArc TPS and S10 176 GA (center), and RapidArc TPS and S10 DVA (right) on a water-equivalent cylinder for plan 4.

Image of FIG. 7.
FIG. 7.

Dose distribution calculated by the TPS, dose difference MC minus TPS, and gamma value for axial [(a), (b), and (c), respectively], coronal [(d), (e), and (f), respectively], and sagittal slice [(g), (h), and (i), respectively].

Tables

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TABLE I.

RapidArc Clinac DynaLog file analysis.

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TABLE II.

RapidArc MLC DynaLog file analysis.

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TABLE III.

3D gamma analysis of the dose distributions with DTA criteria.

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/content/aapm/journal/medphys/37/1/10.1118/1.3266821
2009-12-04
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Monte Carlo based, patient-specific RapidArc QA using Linac log files
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/37/1/10.1118/1.3266821
10.1118/1.3266821
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