Assessment of intra-fraction motion during frameless image guided Gamma Knife stereotactic radiosurgery.
Gamma Knife
Image guidance
Intrafraction motion
Stereotactic radiosurgery
Journal
Physics and imaging in radiation oncology
ISSN: 2405-6316
Titre abrégé: Phys Imaging Radiat Oncol
Pays: Netherlands
ID NLM: 101704276
Informations de publication
Date de publication:
Jan 2023
Jan 2023
Historique:
received:
26
07
2022
revised:
16
01
2023
accepted:
18
01
2023
entrez:
31
1
2023
pubmed:
1
2
2023
medline:
1
2
2023
Statut:
epublish
Résumé
As frameless stereotactic radiosurgery increase in use, the aim of this study was to evaluate intra-fraction motion through cone-beam CT (CBCT) and high-definition motion management (HDMM) systems. Intra-fraction motion measured between localization, repeat localization and post-treatment CBCTs were correlated to intra-faction motion indicated by the HDMM files using the Pearson coefficient (r). A total of 302 plans were reviewed from 263 patients (114 male, 149 female); 216 pairs of localization-repeat localization, and 260 localization-post-treatment CBCTs were analyzed against HDMM logs. We found the magnitude of intra-fraction motion detected by the HDMM system were larger than the corresponding CBCT results.
Identifiants
pubmed: 36718356
doi: 10.1016/j.phro.2023.100415
pii: S2405-6316(23)00006-4
pmc: PMC9883231
doi:
Types de publication
Journal Article
Langues
eng
Pagination
100415Informations de copyright
© 2023 The Authors.
Déclaration de conflit d'intérêts
The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: This work was partially supported through a research grant from Elekta and the Canadian Institutes of Health Research (CIHR); the principal investigators of the grants were Dr. David Jaffray and Dr. Caroline Chung.
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