Physics Bucharest 2017

6/3/2017

IMRT delivery methods using MLC

Static beam off during leaf/gantry/couch motion slower, simpler

Dynamic

beam on during leaf motion , per beam faster, less efficient per MU, more complicated to check dose

Dynamic VMAT

beam on during leaf/gantry motion faster, more complicated to check dose

ESTRO physics course 2017

69

SMLC – close-in sequence

1 dimensional fluence profile

ESTRO physics course 2017

70