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An independent algorithm to check the monitor units calculation in radiosurgery
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10.1118/1.2815361
/content/aapm/journal/medphys/35/1/10.1118/1.2815361
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/35/1/10.1118/1.2815361

Figures

Image of FIG. 1.
FIG. 1.

Bubble head frame used in our radiosurgery system. Below the plane it is not possible to take any measurement.

Image of FIG. 2.
FIG. 2.

Coordinate system adopted.

Image of FIG. 3.
FIG. 3.

(a) Histogram of relative differences between this algorithm and the results of the planning system. (b) Histogram of the percent of extrapolation of the arcs analyzed in this paper: of extrapolation occurs mainly when the isocenter is below plane and the couch is at .

Tables

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TABLE I.

Descriptive statistics for the relative differences for data divided in four subgroups. There is no evidence for a systematic displacement of this origin with respect to the center of the stereotactic coordinate system.

Generic image for table
TABLE II.

Descriptive statistics for the optimum position of the bubble head frame centers. There is no evidence for a systematic displacement of this origin with respect to the center of the stereotactic coordinate system.

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/content/aapm/journal/medphys/35/1/10.1118/1.2815361
2007-12-11
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: An independent algorithm to check the monitor units calculation in radiosurgery
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/35/1/10.1118/1.2815361
10.1118/1.2815361
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