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The effect of rectal heterogeneity on wall dose in high dose rate brachytherapy
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10.1118/1.3031111
/content/aapm/journal/medphys/36/1/10.1118/1.3031111
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/36/1/10.1118/1.3031111

Figures

Image of FIG. 1.
FIG. 1.

A schematic diagram of the MOSkin detector, design at the CMRP at the University of Wollongong.

Image of FIG. 2.
FIG. 2.

The water equivalent rectal phantom with the cylindrical piece inserted. The MOSFET detector is placed within a groove that runs on the surface of the cylindrical phantom, which is inserted into a water equivalent rectal phantom.

Image of FIG. 3.
FIG. 3.

was plotted against depth to better illustrate the deviation between the calculated dose and the MOSkin at large distances from the source.

Image of FIG. 4.
FIG. 4.

plotted against distance from the source . The dose estimated by the Monte Carlo simulation was compared to the depth dose distribution calculated using the TG43 formalism. The dose was normalized to air kerma strength.

Tables

Generic image for table
TABLE I.

Percentage difference between the dose readings taken in an empty rectal cavity and readings taken in a homogeneous rectal cavity.

Generic image for table
TABLE II.

Comparison of the anterior rectal wall dose measurements taken in both a heterogeneous and homogeneous rectum environment, and the PLATO calculated anterior wall dose. The differences between the measured and calculated values are expressed in terms of percentage.

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/content/aapm/journal/medphys/36/1/10.1118/1.3031111
2008-12-22
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The effect of rectal heterogeneity on wall dose in high dose rate brachytherapy
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/36/1/10.1118/1.3031111
10.1118/1.3031111
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