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Otto el al. in reply to Bortfeld and Webb
Ideal IMRT
RapidArc VMAT
Single Arc IMRT
By Bortfeld&Webb
Possibility of exposure
on both sides of the OAR
in one aperture!
What i s the prec i se
definition of a VMAT
technique?
“Extend discussion to
more than one axial
slice?”
“Integration over small
gantry angle range (360°/51)”
Reply by Otto et al.
Theoretical comparisons IMRT/HT/VMAT