On the impact of improved dose calculation accuracy in clinical treatment planning for superficial high-dose-rate brachytherapy of extensive scalp lesions
Abstract: TG-43-based dose calculations disregard tissue heterogeneities and finite scatter conditions, prompting the introduction of model-based dose calculation algorithms (MBDCAs) to improve accuracy in high-dose-rate (HDR) brachytherapy. This study evaluated the effectiveness of MBDCAs over TG-43 in HDR 192Ir brachytherapy of extended scalp lesions. Treatment planning dose calculations were compared with Monte Carlo (MC) data. TG-43 exhibited a dose overestimation ranging from 10% to 23% as the distance from the implant increased, while a better agreement from 2% to 6% was observed between the MBDCA and MC, supporting the adoption of MBDCAs for dose calculations in broad scalp lesions
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Anmerkungen
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Physics and Imaging in Radiation Oncology. - 32 (2024) , 100673, ISSN: 2405-6316
- Ereignis
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Veröffentlichung
- (wo)
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Freiburg
- (wer)
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Universität
- (wann)
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2024
- Urheber
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Rossi, Giulio
Peppa, Vasiliki
Gainey, Mark
Kollefrath, Michael
Sprave, Tetyana
Papagiannis, Panagiotis
Baltas, Dimos
- DOI
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10.1016/j.phro.2024.100673
- URN
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urn:nbn:de:bsz:25-freidok-2603945
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:20 MESZ
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Beteiligte
- Rossi, Giulio
- Peppa, Vasiliki
- Gainey, Mark
- Kollefrath, Michael
- Sprave, Tetyana
- Papagiannis, Panagiotis
- Baltas, Dimos
- Universität
Entstanden
- 2024
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