IMRT 2018
Why patient-specific QA?
The agreement between planned and delivered dose may depend on plan-specific parameters, like the level of modulation Seems unavoidable at least until:
• Stable history of machine QC for dynamic MLC and gantry
• Monte Carlo dose-calculation algorithm
• Convenient secondary dose calculation
• Extensive experience of high pass rates for patient-specific plan measurements
• New history of patient-specific QA needs to be aquired after new class solution is introduced May be a legal requirement in your country EURATOM directive 97/43: ”…assessment and evaluation of patient doses …”
06/06/2018
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