Zobrazeno 1 - 10
of 75
pro vyhledávání: '"William F. Hanson"'
Autor:
Ramesh C. Tailor, Douglas W. Arthur, Robert R. Kuske, William F. Hanson, Rachel Rabinovitch, Irene T. Harris, Raymond M. Wilenzick, Julia White, Elizabeth O'Meara, Geoffrey S. Ibbott
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 69:1572-1578
Purpose The Radiation Therapy Oncology Group (RTOG) protocol 95-17 was a Phase I/II trial to evaluate multicatheter brachytherapy as the sole method of adjuvant breast radiotherapy for Stage I/II breast carcinoma after breast-conserving surgery. Low-
Publikováno v:
Medical Physics. 33:1818-1828
In 1999, the AAPM introduced a reference dosimetry protocol, known as TG51, based on an absorbed dose standard. This replaced the previous protocol, known as TG21, which was based on an air kerma standard. A significant body of literature has emerged
Autor:
John A. Micka, Stephen M. Seltzer, William F. Hanson, M. Saiful Huq, N. H. Wells, Thomas W. Slowey, Huaiyu H. Chen-Mayer, Geoffrey S. Ibbott, Ronaldo Minniti, L. Bryson, Larry A. DeWerd
Publikováno v:
Medical Physics. 33:1074-1077
This work reports the transfer of the primary standard for air kerma from the National Institute of Standards and Technology (NIST) to the secondary laboratories accredited by the American Association of Physics in Medicine (AAPM). This transfer, per
Autor:
Peter A Balter, Michael Gillin, Avraham Eisbruch, Andrea Molineu, Geoffrey S. Ibbott, M. Saiful Huq, David S Followill, William F. Hanson
Publikováno v:
International Journal of Radiation Oncology*Biology*Physics. 63:577-583
Purpose: To design, construct, and evaluate an anthropomorphic phantom for evaluation of intensity-modulated radiation therapy (IMRT) dose planning and delivery, for protocols developed by the Radiation Therapy Oncology Group (RTOG) and other coopera
Update of AAPM Task Group No. 43 Report: A revised AAPM protocol for brachytherapy dose calculations
Autor:
William F. Hanson, Jeffrey F. Williamson, Ravinder Nath, Bert M. Coursey, M. Saiful Huq, Michael G. Mitch, Mark J. Rivard, Larry A. DeWerd, Geoffrey S. Ibbott
Publikováno v:
Medical Physics. 31:633-674
Since publication of the American Association of Physicists in Medicine (AAPM) Task Group No. 43 Report in 1995 (TG-43), both the utilization of permanent source implantation and the number of low-energy interstitial brachytherapy source models comme
Autor:
William F. Hanson, Marilyn Stovall, P. R. Almond, James A. Purdy, David S Followill, Geoffrey S. Ibbott
Publikováno v:
Medical Physics. 43:4396-4397
Autor:
David S Followill, Geoffrey S. Ibbott, William F. Hanson, Chen Shou Chui, Leon R. Eglezopoulos
Publikováno v:
Journal of Applied Clinical Medical Physics
Two of the most popular dosimetry systems used for calibration of megavoltage photon and electron beams in radiation therapy are (i) cylindrical Farmer-type chambers in liquid water and (ii) Holt Memorial parallel-plate chambers in clear polystyrene.
Publikováno v:
Journal of Applied Clinical Medical Physics
The Radiological Physics Center (RPC) is a resource to the medical physics community for assistance regarding dosimetry procedures. Since the publication of the AAPM TG-51 calibration protocol, the RPC has responded to numerous phone calls raising qu
Publikováno v:
Journal of Applied Clinical Medical Physics
In the past, the Radiological Physics Center (RPC) has developed standard sets of photon depth‐dose and wedge‐factor data, specific to the make, model, and wedge design of the linear accelerator (linac). In this paper, the RPC extends the same co
Autor:
Charles W. Patrick, Randy B. Miller, William F. Hanson, Doug Cromeens, Cynthia M. Goodman, Carol Johnston, Marc Mani, Haluk Duman, Gregory R. D. Evans, Bei Zheng
Publikováno v:
Plastic and Reconstructive Surgery. 110:1080-1083
Although the combination of radiation and tissue expansion has been associated with a significant rate of complications, the specific pathophysiology has yet to be clearly elucidated. The objective of this study was to develop a model to identify and