IMRT 2017

The degradation in quality of the beamlet based optimized plan is solely attributable to the sequencing step as the plan quality prior to sequencing of the beamlet based plan is equal or less than the DAO plan . IMRT INVERSE PLANNING OPTIMIZATION: THE IMPORTANCE OF THE OPTIMIZATION ENGINE

RayStation 40 segments 5 sIMRT Beams @ 160 MLC

XiO 100 segments 5 sIMRT Beams @ 160 MLC

XiO 97 segments 5 sIMRT Beams @ 82 MLC

Direct Aperture Optimization Beamlet Based Optimization Beamlet Based Optimization