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General purpose TPS are not designed to be used in small fields
Design performance tests to check the capability of the calculation
algorithms for small fields
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Define the conditions for the test:
simple/baseline conditions
treatment plans
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Select the data against which the TPS calculation will be compared
(reference data)
Measurements: detector/phantom
Calculation: other TPS/algorithm; MC...
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Compare TPS calculation with the reference data;
Tolerance levels.
Small field dose calculation accuracy