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Performance testing – drawnbacks of this approach

Advantages:

The results only depend on beam modeling and the calculation

algorithms as implemented in the TPS.

Ideal for TPS comparison as avoids uncertainties due to different

set of measurements performed at different sites at different

times.

Disadvantages:

Different planning systems need different data

Some of them require tunning of parameters

Need of modeling a “new beam” with no clinical application

Difficult to have a good data set for beam configuration that can

be used in all planning systems.