IMRT

What’s the catch?

• Adaptive strategies allow us to recalculate daily dose and see the immediate effect of deformations or geometrical uncertainties. • Since this was a “buzzword” vendors were aching to have us spend our cash on these expensive options. • Are they feasible in clinical routine? • MVCT : Duchateau et al 2010 Phys. Med. Biol. 55 N329 • ConeBeamCT Limited FOV

• Daily calibration • Check contouring • Missing information