IMRT

Special issues for Rotational IMRT: Discretized Arc vs. Continuous Arc Dose Calculation 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

Pinnacle SmartArc treatment plan, recomputed with Monte Carlo

ESTRO IMRT course 2015 Dose Calculation in Static and Rotational IMRT Brussels October 8th, 2015

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