IMRT 2018
Effects of the beam modulating elements that need to be modeled for high-precision dose calculation
• leaf transmission, (jaw transmission)
inter-leaf leakage
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• leaf/jaw tip factors (influence on penumbra shapes)
tongue-and-groove
•
systematic leaf offsets
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• correction factors for MLC/jaw backscatter into Monitor chamber
→ most of these effects were discussed in the presentations of Eva and Marco: “IMRT delivery techniques” “TPS commissioning”
ESTRO IMRT course 2017 Dose Calculation in Static and Rotational IMRT Madrid April 13th, 2017
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