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Comparative Study
. 2000 Autumn;1(4):120-5.
doi: 10.1120/jacmp.v1i4.2633.

Independent corroboration of monitor unit calculations performed by a 3D computerized planning system

K W Leszczynski  1 , P B Dunscombe
Affiliations
Comparative Study

Independent corroboration of monitor unit calculations performed by a 3D computerized planning system

K W Leszczynski et al. J Appl Clin Med Phys. 2000 Autumn.

Abstract

The checking of monitor unit calculations is recognized as a vital component of quality assurance in radiotherapy. Using straightforward but detailed computer-based verification calculations it is possible to achieve a precision of 1% when compared with a three-dimensional (3D) treatment planning system monitor unit calculation. The method is sufficiently sensitive to identify significant errors and is consistent with current recommendations on the magnitude of uncertainties in clinical dosimetry. Moreover, the approach is accurate in the sense of being highly consistent with the validated 3D treatment planning system's calculations.

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Figures

Figure 1
Figure 1
A histogram showing the distribution of the ratios of independently evaluated reference point doses to those calculated by Helax‐TMS.
See this image and copyright information in PMC

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