Physics Bucharest 2017

Interplay - Dynamic IMRT

Time scale of dynamic dose delivery (fluence pattern) comparable to time scale of organ motion

Interplay effect between organ motion and the movement (or ‘sequencing’) of the MLC

a volume element in the tumor may not receive primary radiation at all because it is always hidden behind a leaf of the MLC

Seco et al. Med Phys(34) 2007