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Evaluation of the accuracy of 3DVH software estimates of dose to virtual ion chamber and film in composite IMRT QA
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10.1118/1.3666771
/content/aapm/journal/medphys/39/1/10.1118/1.3666771
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/1/10.1118/1.3666771

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the study design. The steps involved in the TPS and 3dvh process as well as the measurement and data analysis are shown. The same steps were followed for the 20 × 20 cm reference field test as the 15 patient cases.

Tables

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TABLE I.

Description of cases.

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TABLE II.

Comparison of measured ion chamber dose to the mean dose calculated by eclipse or 3dvh and the p-value for statistical significance of the difference.

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TABLE III.

Comparison of the gamma and dose difference tolerance failure rate for EDR2 film vs eclipse or 3dvh. Dose threshold of 20% used in all cases. P-value is in parenthesis for last two rows and is referred (ref) to the values in the first row.

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/content/aapm/journal/medphys/39/1/10.1118/1.3666771
2011-12-09
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Evaluation of the accuracy of 3DVH software estimates of dose to virtual ion chamber and film in composite IMRT QA
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/1/10.1118/1.3666771
10.1118/1.3666771
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