Zobrazeno 1 - 10
of 131
pro vyhledávání: '"Twyla R. Willoughby"'
Autor:
Jasmine A. Oliver, PhD, Patrick Kelly, MD, Sanford L. Meeks, PhD, Twyla R. Willoughby, PhD, Amish P. Shah, PhD
Publikováno v:
Advances in Radiation Oncology, Vol 2, Iss 3, Pp 494-502 (2017)
Purpose: To characterize the accuracy of noncoplanar image guided radiation therapy with the Varian Edge radiosurgery system for intracranial stereotactic radiosurgery (SRS) treatments by assessing the accuracy of kV/kV orthogonal pair registration w
Externí odkaz:
https://doaj.org/article/3fc5ac39c3bc40afab9180f3ca84ef7a
Autor:
Dale W. Litzenberg, James M. Balter, Scott W. Hadley, Daniel A. Hamstra, Twyla R. Willoughby, Patrick A. Kupelian, Toufik Djemil, Arul Mahadevan, Shirish Jani, Geoffrey Weinstein, Timothy Solberg, Charles Enke, Lisa Levine, Howard M. Sandler
Publikováno v:
Prostate Cancer, Vol 2012 (2012)
The purpose of this work is to determine appropriate radiation therapy beam margins to account for intrafraction prostate translations for use with real-time electromagnetic position monitoring and correction strategies. Motion was measured continuou
Externí odkaz:
https://doaj.org/article/bfb5eaaf507e4008865d6ed299b74786
Publikováno v:
Journal of Applied Clinical Medical Physics
Purpose Research productivity metrics are important for decisions regarding hiring, retention, and promotion in academic medicine, and these metrics can vary widely among different disciplines. This article examines productivity metrics for radiation
Autor:
Patrick J. Kelly, Frank J. Bova, A. Boczkowski, Twyla R. Willoughby, Kevin Erhart, Sanford L. Meeks
Publikováno v:
Journal of Applied Clinical Medical Physics
For many patients, stereotactic radiosurgery (SRS) offers a minimally invasive, curative option when surgical techniques are not possible. To date, the literature supporting the efficacy and safety of SRS treatment techniques uses photon beams. Howev
Design and characterization of a prototype tertiary device for proton beam stereotactic radiosurgery
Autor:
Patrick J. Kelly, Amanda Boczkowski, Omar A. Zeidan, Kevin Erhart, Twyla R. Willoughby, Sanford L. Meeks, Francis J. Bova
Publikováno v:
Biomedical physicsengineering express. 7(4)
Though potentially beneficial, proton beam stereotactic radiosurgery has not been adopted widely secondary to the technical challenge of safely delivering multiple focused beams of proton radiation. In this study, we describe the design and character
Autor:
Amish P, Shah, Dylan T, Meeks, Twyla R, Willoughby, Naren, Ramakrishna, Christopher J, Warner, Cameron W, Swanick, Patrick, Kelly, Sanford L, Meeks
Publikováno v:
J Radiosurg SBRT
Commercial systems such as Varian HyperArcTM and BrainLab Elements MultiMetTM have been developed that allow radiosurgery treatment of multiple brain metastases using a single isocenter. Each software package places increased demands on frameless imm
Autor:
Omar A. Zeidan, Patrick J. Kelly, Amish P. Shah, Sanford L. Meeks, Twyla R. Willoughby, Jerrold Kielbasa
Publikováno v:
Journal of Applied Clinical Medical Physics
Purpose Real‐time magnetic resonance guided radiation therapy (MRgRT) uses 2D cine imaging for target tracking. This work evaluates the percent image uniformity (PIU) and spatial integrity of cine images in the presence of multileaf collimator (MLC
Autor:
Omar A. Zeidan, Amish P. Shah, Naren Ramakrishna, Sanford L. Meeks, J. Pukala, Twyla R. Willoughby, Patrick J. Kelly, Jasmine A. Oliver
Publikováno v:
Journal of Applied Clinical Medical Physics
Purpose To describe the commissioning of AIRO mobile CT system (AIRO) for adaptive proton therapy on a compact double scattering proton therapy system. Methods A Gammex phantom was scanned with varying plug patterns, table heights, and mAs on a CT si
Publikováno v:
Advances in Radiation Oncology, Vol 2, Iss 3, Pp 494-502 (2017)
Advances in Radiation Oncology
Advances in Radiation Oncology
Purpose To characterize the accuracy of noncoplanar image guided radiation therapy with the Varian Edge radiosurgery system for intracranial stereotactic radiosurgery (SRS) treatments by assessing the accuracy of kV/kV orthogonal pair registration wi
Autor:
Sanford L. Meeks, Amish P. Shah, Patrick J. Kelly, Jasmine A. Oliver, Twyla R. Willoughby, J. Pukala, Naren Ramakrishna, Omar A. Zeidan
Publikováno v:
Journal of Applied Clinical Medical Physics
Purpose The purpose of this study was to characterize the Mobius AIRO Mobile CT System for localization and image-guided proton therapy. This is the first known application of the AIRO for proton therapy. Methods Five CT images of a Catphan®504 phan