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Dokumentenname Datum Seite 33
Interplay effect
study
technique
order of magnitude
Jiang et al, 2003 IMRT, fractionated
treatment
30% for a single field, 1%-2% over 30
fractions
Court et al, 2004 IMRT, fractionated
treatment
10% if leaf motion is perpendicular or
parallele to tumor motion for all fields
Kang et al, 2010 SBRT, IMRT
Small changes in dose to the GTV
Li et al, 2013
SBRT, FFF VMAT
Small changes in the dose to the GTV
Ong et al, 2011
SBRT VMAT
Gamma agreement score >98% for 2 arcs,
above 93% for 1 arc
Rao et al, 2011
SBRT VMAT
Changes of less than 1% inside the PTV
Stambaugh, 2011 SBRT VMAT
2-3% @A=2cm, however up 16% for
extreme cases (large A and T)
Interplay has to be assessed for department specific irradiation
technique.