IMRT

Variation of the output factor for primary and secondary photons

courtesy M. Sikora

Primary photons

Secondary (scattered) photons

40x40cm

10x10cm

O utput F actor = Dose(field size)

Dose(reference field size)

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

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