IMRT Course 2016

Special issues for Rotational IMRT:

Discretized Arc vs. Continuous Arc Dose Calculation

Pinnacle SmartArc

Most algorithms calculate the dose of an Arc as sum of segment dose contributions

from

discrete beam angles

Monte Carlo: Beam angle can be treated as additional random variable!

→

simulation of the rotating, dynamically modulated beam without discretization

of the motion

courtesy M. Alber

ESTRO IMRT course 2016

Dose Calculation in Static and Rotational IMRT

London April 7th, 2016

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treatment plan,

recomputed with

Monte Carlo