Articles with "ptv margins" as a keyword



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Target margin design through analyzing a large cohort of clinical log data in the cyberknife system

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Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13476

Abstract: Abstract Purpose Calculating the adequate target margin for realā€time tumor tracking using the Cyberknife system is a challenging issue since different sources of error exist. In this study, the clinical log data of the Cyberknife… read more here.

Keywords: ptv; margin; ptv margins; cyberknife system ... See more keywords
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A retrospective multi-center feasibility study of a new PTV margin estimation approach for moving targets using CyberKnife log files.

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Published in 2023 at "Journal of applied clinical medical physics"

DOI: 10.1002/acm2.13975

Abstract: PURPOSE This study investigates a new approach for estimating the planning target volume (PTV) margin for moving tumors treated with robotic stereotactic body radiotherapy (SBRT). METHODS In this new approach, the covariance of modeling and… read more here.

Keywords: ptv margin; ptv; version; approach ... See more keywords
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Evidence-Based Planning Target Volume Margin Reduction for Modern Lung Stereotactic Ablative Radiation Therapy Using Deformable Registration

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Published in 2021 at "Advances in Radiation Oncology"

DOI: 10.1016/j.adro.2021.100750

Abstract: Purpose Standard planning target volume (PTV) margins for lung stereotactic ablative radiation therapy (SABR) are 5 mm. High-dose-rate volumetric modulated arc therapy delivered using flattening filter-free (FFF) beams with modern immobilization systems may allow for… read more here.

Keywords: volume; ptv margins; radiation; margin ... See more keywords
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Quantifying 6D tumor motion and calculating PTV margins during liver stereotactic radiotherapy with fiducial tracking

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Published in 2022 at "Frontiers in Oncology"

DOI: 10.3389/fonc.2022.1021119

Abstract: Objective Our study aims to estimate intra-fraction six-dimensional (6D) tumor motion with rotational correction and the related correlations between motions of different degrees of freedom (DoF), as well as quantify sufficient anisotropic clinical target volume… read more here.

Keywords: ptv; tumor motion; ptv margins; fiducial tracking ... See more keywords