Measuring the dose in bone for spine stereotactic body radiotherapy.

Algorithms Monte Carlo Method Phantoms, Imaging Radiometry Radiosurgery Radiotherapy Dosage Radiotherapy Planning, Computer-Assisted
Dose to medium Dosimetry Dosimetry audit Quality assurance SBRT

Journal

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB)
ISSN: 1724-191X
Titre abrégé: Phys Med
Pays: Italy
ID NLM: 9302888

Informations de publication

Date de publication:
Apr 2021
Historique:
received: 02 11 2020
revised: 08 02 2021
accepted: 05 03 2021
pubmed: 29 3 2021
medline: 29 6 2021
entrez: 28 3 2021
Statut: ppublish

Résumé

Current quality assurance of radiotherapy involving bony regions generally utilises homogeneous phantoms and dose calculations, ignoring the challenges of heterogeneities with dosimetry problems likely occurring around bone. Anthropomorphic phantoms with synthetic bony materials enable realistic end-to-end testing in clinical scenarios. This work reports on measurements and calculated corrections required to directly report dose in bony materials in the context of comprehensive end-to-end dosimetry audit measurements (63 plans, 6 planning systems). Radiochromic film and microDiamond measurements were performed in an anthropomorphic spine phantom containing bone equivalent materials. Medium dependent correction factors, k For D Monte Carlo simulations provide a method for correcting the dose measured in bony materials allowing more accurate comparison with treatment planning system doses. In verification measurements, algorithm specific correction factors should be applied to account for variations in bony material for calculations based on D

Identifiants

DOI: 10.1016/j.ejmp.2021.03.011 PMID: 33773909
pubmed: 33773909
pii: S1120-1797(21)00127-7
doi: 10.1016/j.ejmp.2021.03.011
pii:
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

265-273

Informations de copyright

Crown Copyright © 2021. Published by Elsevier Ltd. All rights reserved.

Auteurs

Maddison Shaw (M)

Australian Clinical Dosimetry Service, Australian Radiation Protection and Nuclear Safety Agency, Melbourne, Australia; School of Health and Biomedical Sciences, RMIT University, Melbourne, Australia. Electronic address: maddison.shaw@arpansa.gov.au.

Jessica Lye (J)

Australian Clinical Dosimetry Service, Australian Radiation Protection and Nuclear Safety Agency, Melbourne, Australia; Olivia Newton John Cancer Wellness Centre, Melbourne, Australia.

Andrew Alves (A)

Australian Clinical Dosimetry Service, Australian Radiation Protection and Nuclear Safety Agency, Melbourne, Australia.

Maximilian Hanlon (M)

Primary Standards Dosimetry Laboratory, ARPANSA, Melbourne, Australia.

Joerg Lehmann (J)

Department of Radiation Oncology, Calvary Mater Newcastle, Newcastle, Australia; School of Science, RMIT University, Melbourne, Australia; School of Mathematical and Physical Sciences, University of Newcastle, Australia; Institute of Medical Physics, University of Sydney, Australia.

Jeremy Supple (J)

Australian Clinical Dosimetry Service, Australian Radiation Protection and Nuclear Safety Agency, Melbourne, Australia.

Claudiu Porumb (C)

Alfred Health Radiation Oncology, The Alfred Hospital, Melbourne, Australia.

Ivan Williams (I)

Australian Radiation Protection and Nuclear Safety Agency, Melbourne, Australia.

Moshi Geso (M)

School of Health and Biomedical Sciences, RMIT University, Melbourne, Australia.

Rhonda Brown (R)

Australian Clinical Dosimetry Service, Australian Radiation Protection and Nuclear Safety Agency, Melbourne, Australia.

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Classifications MeSH

questionsmedicales.fr › Sciences de l'information › Méthodologies informatiques › Algorithmes › Measuring the dose in bone for spine...
questionsmedicales.fr › Environnement et santé publique › Santé publique › Méthodes épidémiologiques › Statistiques comme sujet › Méthode de Monte Carlo › Measuring the dose in bone for spine...
questionsmedicales.fr › Équipement et fournitures › Fantômes en imagerie › Measuring the dose in bone for spine...
questionsmedicales.fr › Techniques d'investigation › Radiométrie › Measuring the dose in bone for spine...
questionsmedicales.fr › Techniques d'investigation › Techniques stéréotaxiques › Radiochirurgie › Measuring the dose in bone for spine...
questionsmedicales.fr › Thérapeutique › Radiothérapie › Dosimétrie en radiothérapie › Measuring the dose in bone for spine...
questionsmedicales.fr › Sciences de l'information › Informatique › Informatique médicale › Applications de l'informatique médicale › Prise de décision assistée par ordinateur › Thérapie assistée par ordinateur › Radiothérapie assistée par ordinateur › Planification de radiothérapie assistée par ordinateur › Measuring the dose in bone for spine...