IMRT

Kernel-based methods: Dose calculation in inhomogeneous media

How to handle inhomogeneous media in the kernel formalism?

primary photon source

(1) rescale fluence according to the effective pathlength corrected by densities-along-the- way of raytracing

s

(2) ‘rectilinear’ density rescaling of kernel

r

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

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