Dosimetric comparison of incidental axillary irradiation between three-dimensional conformal and volumetric modulated arc techniques for breast cancer.
axillary irradiation
breast cancer
dosimetry
incidental irradiation
lymphedema
radiotherapy
Journal
Molecular and clinical oncology
ISSN: 2049-9450
Titre abrégé: Mol Clin Oncol
Pays: England
ID NLM: 101613422
Informations de publication
Date de publication:
Jun 2020
Jun 2020
Historique:
received:
07
03
2019
accepted:
04
02
2020
entrez:
28
4
2020
pubmed:
28
4
2020
medline:
28
4
2020
Statut:
ppublish
Résumé
Radiotherapy techniques for breast cancer have evolved with efforts to reduce treatment-related side effects. In the present study, we conducted dosimetric analysis of incidental axillary irradiation between volumetric modulated arc therapy (VMAT) and three-dimensional conformal radiotherapy (3D-CRT). A total of 20 patients with early stage left breast cancer who underwent breast-conserving surgery followed by postoperative radiotherapy were analyzed. For VMAT plans, dose-volume constraints were not imposed on the axilla, as with 3D-CRT. We compared the dosimetric parameters of the planning target volumes, organs at risk and axillary level I-III of the two plans. VMAT showed better target coverage and a normal organ-sparing effect compared with 3D-CRT. The incidental axillary irradiation of VMAT was lower; the mean dose and the V40
Identifiants
pubmed: 32337037
doi: 10.3892/mco.2020.2022
pii: MCO-0-0-2022
pmc: PMC7179387
doi:
Types de publication
Journal Article
Langues
eng
Pagination
551-556Informations de copyright
Copyright © 2020, Spandidos Publications.
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