IMRT

Conclusions

• offline adaptive setup correction and margin adapting protocols with clinically proven benefits and high efficiency to reduce systematic errors • online adaptive schemes can further reduce uncertainties for the price of more frequent imaging, but there is a lower limit for margin reduction provocative thought: a single adaptation – if well implemented and its effects evaluated thoroughly – is better than some ‘latest’ complex IGRT/ART scheme with daily imaging and repeat adaptations – unless its benefits are clearly proven with treatment simulation approaches/patient data.

ESTRO IMRT course 2015 Adaptive Radiotherapy Brussels October 8th, 2015

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