paediatrics Brussels 17

IMRT with fixed beams on LINAC

TOMOTHERAP Y (2002)

Linac arm is motionless

Leafs are moving during the RT

Delivery of RT is coupled to a continue table motion

Dose rate is constant

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