INTENSITY MODULATED RADIATION
THERAPY
VMAT (Volumetric Modulated Arc Therapy*)
on LINAC
During RT :
Speed and angles of rotation arm change
Dose rate varies
Leafs in motion
TOMOTHERAP
Y
(2002)
IMRT with fixed beams
on LINAC
Linac arm is motionless
Leafs are moving during the RT
Dose rate is constant
Delivery of RT is coupled to a
continue table motion