Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Ashley J. Cetnar"'
Autor:
Ashley J. Cetnar, PhD, Dominic J. DiCostanzo, PhD, Michael Weldon, MS, Amanda E. Swanson, MS, Joshua Mathews, PhD, Nilendu Gupta, PhD
Publikováno v:
Advances in Radiation Oncology, Vol 8, Iss 4, Pp 101242- (2023)
Purpose: The feasibility of blinding applications for a medical physics residency program has yet to be demonstrated in the literature. We explore the application of an automated approach with human review and intervention to blind applications durin
Externí odkaz:
https://doaj.org/article/e77de805c0d14d8fbeca158287b3cf77
Autor:
Ashley J. Cetnar, Michael Degnan, Joseph Pichler, Sagarika Jain, Samantha Morelli, Evan Thomas, J. Bradley Elder, Thomas J. Scharschmidt, Joshua D. Palmer, Dukagjin M. Blakaj
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 25, Iss , Pp 100422- (2023)
Background and purpose: Mitigation of intrafraction motion (IM) is valuable in stereotactic radiotherapy (SRT) radiotherapy where submillimeter accuracy is desired. The purpose of this study was to investigate the application of triggered kilovoltage
Externí odkaz:
https://doaj.org/article/77674664e44e4658abd3530f53f48fad
Autor:
Dominic DiCostanzo, Ashley J. Cetnar
Publikováno v:
Journal of Applied Clinical Medical Physics
This study is the first to report the clinical lifetime of Varian Kapton sealed ion chambers as a retrospective review. The data have been analyzed using ion chamber gain values, daily quality assurance results, monthly quality assurance results, and
Autor:
Jay W. Burmeister, Nathan C. Busse, Ashley J. Cetnar, Rebecca R. Howell, Robert Jeraj, A. Kyle Jones, Steven H. King, Kenneth L. Matthews, Victor J. Montemayor, Wayne Newhauser, Anna E. Rodrigues, Ehsan Samei, Timothy V. Turkington, Mary P. Gronberg, Brian Loughery, Alison R. Roth, Michael C. Joiner, Edward F. Jackson, Paul A. Naine, Leonard H. Kim
Publikováno v:
Journal of applied clinical medical physics. 23(10)
Autor:
Nilendu Gupta, M Weldon, Douglas Martin, Xueliang Pan, K Woods, Gavin Graeper, Brett Klamer, Ahmet S. Ayan, Dayssy Alexandra Diaz, Ashley J. Cetnar
Publikováno v:
Radiotherapy and Oncology. 157:40-46
Background and purpose The goal of this prospective study is to validate the use of periodic imaging during treatment with a fiducial marker detection algorithm using radiofrequency transponders for prostate cancer patients undergoing treatment for r
Autor:
Ashley J. Cetnar
Publikováno v:
Journal of Applied Clinical Medical Physics
Journal clubs are a common educational experience for medical physics residents as a forum to discuss current research within the field. While journal clubs are valued by educational programs and accrediting bodies, there are a wide variety of ways i
Autor:
Vi Nhan Nguyen, Ashley J. Cetnar, Corinna Huffaker, Brian Wang, M. Potts, Neal Dunlap, J James
Publikováno v:
Medical Physics. 43:2794-2801
Purpose: Tracking soft-tissue targets has recently been cleared as a new application of Calypso, an electromagnetic wireless transponder tracking system, allowing for gated treatment of the liver based on the motion of the target volume itself. The p
Publikováno v:
Journal of Applied Clinical Medical Physics
A commercially available six‐dimensional (6D) motion system was assessed for accuracy and clinical use in our department. Positional accuracy and respiratory waveform reproducibility were evaluated for the motion system. The system was then used to
Publikováno v:
Journal of Applied Clinical Medical Physics
In this Technical Note, we describe an in‐house video goggles feedback system assembled using several commercially available products. This goggle video feedback system is currently being used at University of Louisville and Mayo Clinic for both CT
Publikováno v:
Journal of Applied Clinical Medical Physics
While the implementation of tools such as image‐guidance and immobilization devices have helped to prevent geometric misses in radiation therapy, many treatments remain prone to error if these items are not available, not utilized for every fractio