IMRT Course 2016

Birkner et al. 2003 (Med. Phys. 30(10))

The next step: more than one re-optimization, dose accumulation, probabilistic planning

planning CT

IMRT plan

Fx 1

Fx 5

Fx 6

Fx N

…

…

new plan

1 cm margin around CTV

probabilistic IMRT plan

optimizes the expected dose-per-voxel

CT

CT

…

deformable registration, dose warping, dose accumulation

one feedback loop

model motion of each voxel, this enables calculation of average ‘expected’ dose-per-voxel

versus

continuous adaptive feedback

planning CT

Fx 7

IMRT plan

Fx 1

Fx 5

Fx 6

Fx N

CT

CT

…

…

1 cm margin around CTV

prob. IMRT plan

prob. IMRT plan

prob. IMRT plan

CT

CT

…

…

ESTRO IMRT course 2016 Adaptive Radiotherapy London April 7th, 2016

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