Zobrazeno 1 - 10 of 16 pro vyhledávání: '"87.53.Tf"'
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2
The effects of rotational setup errors in total body irradiation using helical tomotherapy
Autor: Naoya Hara, Keisuke Sasai, Akira Isobe, Keisuke Usui
Publikováno v: Journal of Applied Clinical Medical Physics
Purpose Helical tomotherapy (HT) is a form of intensity‐modulated radiation therapy that is employed in total body irradiation (TBI). Because TBI targets the whole body, accurate setup positioning at the edge of the treatment volume is made difficu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::174d8ec10883ff24aae211a1a2692c9f
https://doi.org/10.1002/acm2.13271
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3
Variation in target volume and centroid position due to breath holding during four‐dimensional computed tomography scanning: A phantom study
Autor: Takahiro Fujimoto, Mitsuhiro Nakamura, Mami Akimoto, Yuta Miyamae, Makoto Sasaki, Shinsuke Yano
Publikováno v: Journal of Applied Clinical Medical Physics
This study investigated the effects of respiratory motion, including unwanted breath holding, on the target volume and centroid position on four‐dimensional computed tomography (4DCT) imaging. Cine 4DCT images were reconstructed based on a time‐b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::785d184b5cc282ce23a0c77255962f06
http://europepmc.org/articles/PMC6964747
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4
Tissue segmentation‐based electron density mapping for MR‐only radiotherapy treatment planning of brain using conventional T1‐weighted MR images
Autor: Arjun Sahgal, M Oliver, Irene Karam, Huan Yu, Young Lee, Konrad Leszczynski
Publikováno v: Journal of Applied Clinical Medical Physics
Purpose Magnetic resonance imaging (MRI) is the primary modality for targeting brain tumors in radiotherapy treatment planning (RTP). MRI is not directly used for dose calculation since image voxel intensities of MRI are not associated with EDs of ti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e74b70d472be075c04c066b33d41c5ca
https://doi.org/10.1002/acm2.12654
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6
Evaluation of dosimetric uncertainty caused by MR geometric distortion in MRI‐based liver SBRT treatment planning
Autor: Jing Cai, Silu Han, Fang-Fang Yin
Publikováno v: Journal of Applied Clinical Medical Physics
Purpose MRI‐based treatment planning is a promising technique for liver stereotactic‐body radiation therapy (SBRT) treatment planning to improve target volume delineation and reduce radiation dose to normal tissues. MR geometric distortion, howev
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fac40b796622e9eb788bc4e747f6d3b0
http://europepmc.org/articles/PMC6370985
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7
Implementation and operation of incident learning across a newly-created health system
Autor: Jack Towery, Yevgeniy Vinogradskiy, David C. Westerly, Leah Schubert, Rick Peters, Arthur K. Liu, Josh Petit, Bryan Stump, Jane Ridings, Patrick Kneeland
Publikováno v: Journal of Applied Clinical Medical Physics
Purpose The purpose of this work is to describe our experience launching an expanded incident learning system for patient safety and quality that takes into account aspects beyond therapeutic dose delivery, specifically imaging/simulation incidents,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b6ab2ede86321a5a5f0c615cc437b264
https://doi.org/10.1002/acm2.12447
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8
Parotid gland radiation dose-xerostomia relationships based on actual delivered dose for nasopharyngeal carcinoma
Autor: Jingjiao Lou, Hongsheng Li, Dengwang Li, Yue Zheng, Gang Yu, Yong Yin, Danhua Liu, Jinhu Chen, Changsheng Ma, Pu Huang, Yueqiang Liang
Publikováno v: Journal of Applied Clinical Medical Physics
Xerostomia induced by radiotherapy is a common toxicity for head and neck carcinoma patients. In this study, the deformable image registration of planning computed tomography (CT) and weekly cone-beam CT (CBCT) was used to override the Hounsfield uni
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de075ceea09199e737e188f6af7c3cc2
https://doi.org/10.1002/acm2.12327
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9
Feasibility of CBCT ‐based dose with a patient‐specific stepwise HU ‐to‐density curve to determine time of replanning
Autor: Elizabeth M. Nichols, Warren D. D'Souza, Byong Yong Yi, Wei Lu, Quynh Le, Karl Prado, Shifeng Chen, Yildirim Mutaf, Tish Leven
Publikováno v: Journal of Applied Clinical Medical Physics
Purpose (a) To investigate the accuracy of cone-beam computed tomography (CBCT)–derived dose distributions relative to fanbeam–based simulation CT-derived dose distributions; and (b) to study the feasibility of CBCT dosimetry for guiding the appr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1634880a19c07acda03eec4203e45891
https://doi.org/10.1002/acm2.12127
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10
Comparison of DVH‐based plan verification methods for VMAT: ArcCHECK‐3DVH system and dynalog‐based dose reconstruction
Autor: Ken Takeda, Kengo Ito, Noriyuki Kadoya, Masahide Saito, Keiichi Jingu, S. Dobashi, Hiroshi Onishi, Kiyokazu Sato
Publikováno v: Journal of Applied Clinical Medical Physics
The purpose of this study was comparing dose‐volume histogram (DVH)‐based plan verification methods for volumetric modulated arc therapy (VMAT) pretreatment QA. We evaluated two 3D dose reconstruction systems: ArcCHECK‐3DVH system (Sun Nuclear
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d754b2ca844ba8ef88a031ba1b09a8c5
http://europepmc.org/articles/PMC5875843
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