Course book Advanced Treatment Planning 2018
Example multiple PTV IMRT plan: Elekta versus Varian
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3.4 x more # segments
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4 x more # MU
▪ in this example the MLC limitations resulted in large differences. Step&Shoot IMRT segmentation might not be the best approach on an Elekta linac equiped with MLCi in this specific case
in ‘normal’ cases not much difference between Varian and Elekta MLCi MLCi2: improved segmentation, similar to Varian MLC
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