Dosimetric verification by using the ArcCHECK system and 3DVH software for various target sizes.

To investigate the usefulness of the 3DVH software with an ArcCHECK 3D diode array detector in newly designed plans with various target sizes.The isocenter dose was measured with an ion-chamber and was compared with the planned and 3DVH predicted doses. The 2D gamma passing rates were evaluated at t...

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Main Authors: Jin Ho Song, Hun-Joo Shin, Chul Seung Kay, Seok Hyun Son
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2015-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4373958?pdf=render
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author Jin Ho Song
Hun-Joo Shin
Chul Seung Kay
Seok Hyun Son
author_facet Jin Ho Song
Hun-Joo Shin
Chul Seung Kay
Seok Hyun Son
author_sort Jin Ho Song
collection DOAJ
description To investigate the usefulness of the 3DVH software with an ArcCHECK 3D diode array detector in newly designed plans with various target sizes.The isocenter dose was measured with an ion-chamber and was compared with the planned and 3DVH predicted doses. The 2D gamma passing rates were evaluated at the diode level by using the ArcCHECK detector. The 3D gamma passing rates for specific regions of interest (ROIs) were also evaluated by using the 3DVH software. Several dose-volume histograms (DVH)-based predicted metrics for all structures were also obtained by using the 3DVH software.The isocenter dose deviation was <1% in all plans except in the case of a 1 cm target. Besides the gamma passing rate at the diode level, the 3D gamma passing rate for specific ROIs tended to decrease with increasing target size; this was more noticeable when a more stringent gamma criterion was applied. No correlation was found with the gamma passing rates and the DVH-based metrics especially in the ROI with high-dose gradients.Delivery quality assurance by using 3DVH and ArcCHECK can provide substantial information through a simple and easy approach, although the accuracy of this system should be judged cautiously.
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spelling doaj.art-27808d98fe354424865e3307216f138b2022-12-21T17:23:22ZengPublic Library of Science (PLoS)PLoS ONE1932-62032015-01-01103e011993710.1371/journal.pone.0119937Dosimetric verification by using the ArcCHECK system and 3DVH software for various target sizes.Jin Ho SongHun-Joo ShinChul Seung KaySeok Hyun SonTo investigate the usefulness of the 3DVH software with an ArcCHECK 3D diode array detector in newly designed plans with various target sizes.The isocenter dose was measured with an ion-chamber and was compared with the planned and 3DVH predicted doses. The 2D gamma passing rates were evaluated at the diode level by using the ArcCHECK detector. The 3D gamma passing rates for specific regions of interest (ROIs) were also evaluated by using the 3DVH software. Several dose-volume histograms (DVH)-based predicted metrics for all structures were also obtained by using the 3DVH software.The isocenter dose deviation was <1% in all plans except in the case of a 1 cm target. Besides the gamma passing rate at the diode level, the 3D gamma passing rate for specific ROIs tended to decrease with increasing target size; this was more noticeable when a more stringent gamma criterion was applied. No correlation was found with the gamma passing rates and the DVH-based metrics especially in the ROI with high-dose gradients.Delivery quality assurance by using 3DVH and ArcCHECK can provide substantial information through a simple and easy approach, although the accuracy of this system should be judged cautiously.http://europepmc.org/articles/PMC4373958?pdf=render
spellingShingle Jin Ho Song
Hun-Joo Shin
Chul Seung Kay
Seok Hyun Son
Dosimetric verification by using the ArcCHECK system and 3DVH software for various target sizes.
PLoS ONE
title Dosimetric verification by using the ArcCHECK system and 3DVH software for various target sizes.
title_full Dosimetric verification by using the ArcCHECK system and 3DVH software for various target sizes.
title_fullStr Dosimetric verification by using the ArcCHECK system and 3DVH software for various target sizes.
title_full_unstemmed Dosimetric verification by using the ArcCHECK system and 3DVH software for various target sizes.
title_short Dosimetric verification by using the ArcCHECK system and 3DVH software for various target sizes.
title_sort dosimetric verification by using the arccheck system and 3dvh software for various target sizes
url http://europepmc.org/articles/PMC4373958?pdf=render
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