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Dose reconstruction including dynamic six-degree of freedom motion during prostate radiotherapy
Authors
J Booth
T Eade
+6 more
PJ Keall
CG Muurholm
DT Nguyen
PR Poulsen
T Ravkilde
S Skouboe
Publication date
7 June 2020
Publisher
'IOP Publishing'
Doi
Cite
Abstract
© Published under licence by IOP Publishing Ltd. An in-house developed program for real-time reconstruction of motion-induced dose errors, DoseTracker, was extended to handle rotational target motion in addition to the previously implemented translational motion, and applied offline for prostate VMAT treatments. For translational motion, the motion-induced errors of DoseTracker were in good agreement with ground truth dose reconstructions performed in a commercial treatment planning system. For rotational motion, no ground truth was available, but DoseTracker showed that the VMAT dose is highly robust against static interfractional rotations but quite sensitive to dynamic intrafraction rotations due to interplay effects between target motion and machine motion
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OPUS - University of Technology Sydney
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Last time updated on 20/06/2020