IMRT Course 2016

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Lung, 1cm/4s

Prostate, 2cm/5s

VMAT- interplay effect : gel measurements

D

IP

=

(

D

duringmotion

−

D

convolvedstat

.

)

D

convolvedstat

.

×

100

D

static

,

corr

⊗

F

motion

Motion blurring+IP+ME

Interplay Effect

Lung Prostate

2.5%

1.4% 2.3%

3-4%

S.Ceberg (2013)