Zobrazeno 1 - 10
of 31
pro vyhledávání: '"W. Tyler Watkins"'
Autor:
Chunhui Han, Arya Amini, Jeffrey Y.C. Wong, Jieming Liang, Kun Qing, W. Tyler Watkins, Sean Zhang, Terence M. Williams, An Liu
Publikováno v:
Journal of applied clinical medical physics. 23(6)
The aim of this study is to compare intrafractional motion using two commercial non-invasive immobilization systems for linac-based intracranial stereotactic radiosurgery (SRS) under guidance with a surface-guided radiotherapy (SGRT) system.Twenty-on
Publikováno v:
Med Phys
Purpose To introduce the definite target volume (DTV) and evaluate dosimetric consequences of boosting dose to this region of high clinical target volume (CTV)- and low organs at risk (OAR)-probability. Methods This work defines the DTV via occupancy
Autor:
William Y. Song, Ajay Sandhu, Bongyong Song, Gwe-Ya Kim, W. Tyler Watkins, K. Kauweloa, Todd Pawlicki, Justin C. Park, Dan Ruan
Publikováno v:
Medical Physics. 39:492-502
Purpose: To assess the temporal and spatial accuracy of the GateCT™ system (VisionRT, London, UK), a recently released respiratory tracking system for 4DCT, under both ideal and nonideal respiratory conditions. Methods: Three experiments were perfo
Autor:
Loren K. Mell, G. White, Arno J. Mundt, W. Tyler Watkins, R. Charles Nichols, Y. Liang, William Y. Song, Soon Huh
Publikováno v:
Journal of Applied Clinical Medical Physics
Journal of applied clinical medical physics, vol 11, iss 4
Journal of applied clinical medical physics, vol 11, iss 4
The objective was to compare intensity‐modulated radiation therapy (IMRT) with 3D conformal proton therapy (3DCPT) in the treatment of cervical cancer. In particular, each technique's ability to spare pelvic bone marrow (PBM) was of primary interes
Autor:
W. Tyler Watkins, Steve B. Jiang, Ruijiang Li, William Y. Song, John H. Lewis, Justin C. Park, Ajay Sandhu
Publikováno v:
Medical Physics. 37:2855-2861
Purpose: Four-dimensional computed tomography (4DCT) has enhanced images of the thorax and upper abdomen during respiration, but intraphase residual motion artifacts will persist in cine-mode scanning. In this study, the source and magnitude of proje
Autor:
Laura Cervino, Joshua D. Lawson, William Y. Song, Ruijiang Li, John H. Lewis, Steve B. Jiang, W. Tyler Watkins, W. Paul Segars
Publikováno v:
Physics in Medicine and Biology. 55:2505-2522
Algorithms for direct tumor tracking in rotational cone-beam projections and for reconstruction of phase-binned 3D tumor trajectories were developed. The feasibility of the algorithm was demonstrated on a digital phantom, a physical phantom and two p
Autor:
Timothy N. Showalter, Afshan Ornan, Taeho Kim, Sarah H. Erickson, Daniel M. Trifiletti, Sebastian Feuerlein, Allison Garda, Bruce Libby, W. Tyler Watkins
Publikováno v:
Brachytherapy. 14(6)
Magnetic resonance imaging (MRI)-based intracavitary brachytherapy offers several advantages over computed tomography (CT)-based brachytherapy, but many centers are unable to offer it at the time of brachytherapy because of logistic and/or financial
Publikováno v:
Brachytherapy. 14(6)
Purpose To describe a parallelized patient-specific quality assurance (QA) program designed to ensure safety and quality in image-guided high-dose-rate brachytherapy in an integrated computed tomography (CT)–on-rails brachytherapy suite. Materials
Publikováno v:
Medical physics. 41(11)
To investigate the potential advantages of multiple anatomy optimization (MAO) for lung cancer radiation therapy compared to the internal target volume (ITV) approach.MAO aims to optimize a single fluence to be delivered under free-breathing conditio
Publikováno v:
Clinical therapeutics. 37(1)
Purpose The purposes of this analysis are to report a modern series of severe gastrointestinal toxic effects after definitive chemoradiotherapy in the treatment of locally advanced cervical cancer at our institution and to review the existing literat