Impact of the Extremities Positioning on the Set-Up Reproducibility for the Total Marrow Irradiation Treatment.
patient positioning
radiotherapy (RT)
reproducibility
total marrow irradiation (TMI)
total marrow lymph node irradiation (TMLI)
volumetric modulated arc therapy (VMAT)
Journal
Current oncology (Toronto, Ont.)
ISSN: 1718-7729
Titre abrégé: Curr Oncol
Pays: Switzerland
ID NLM: 9502503
Informations de publication
Date de publication:
06 04 2023
06 04 2023
Historique:
received:
01
03
2023
revised:
01
04
2023
accepted:
04
04
2023
medline:
17
5
2023
pubmed:
15
5
2023
entrez:
15
5
2023
Statut:
epublish
Résumé
Total marrow (lymph node) irradiation (TMI/TMLI) delivery requires more time than standard radiotherapy treatments. The patient's extremities, through the joints, can experience large movements. The reproducibility of TMI/TMLI patients' extremities was evaluated to find the best positioning and reduce unwanted movements. Eighty TMI/TMLI patients were selected (2013-2022). During treatment, a cone-beam computed tomography (CBCT) was performed for each isocenter to reposition the patient. CBCT-CT pairs were evaluated considering: (i) online vector shift (OVS) that matched the two series; (ii) residual vector shift (RVS) to reposition the patient's extremities; (iii) qualitative agreement (range 1-5). Patients were subdivided into (i) arms either leaning on the frame or above the body; (ii) with or without a personal cushion for foot positioning. The Mann-Whitney test was considered (
Identifiants
pubmed: 37185422
pii: curroncol30040309
doi: 10.3390/curroncol30040309
pmc: PMC10136565
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
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