Results 131 to 140 of about 25,468 (231)

Democracy in product design: Consumer participation and differentiation strategies [PDF]

, 2015
Katona, Zsolt
core   +1 more source

Patient-specific intensity modulated radiotherapy quality assurance using an electronic portal imaging device

Nucleus, 2016
modern clinical electron linear accelerator was commissioned at the Department of Radiotherapy in the Oncology and Radiobiology Institute. The use of electronic portal image device (EPID) for patient-specific intensity modulated radiotherapy (IMRT ...
Eduardo F. Larrinaga Cortina, David N. Alonso Fernández   +1 more
doaj  

Normalize the response of EPID in pursuit of linearaccelerator dosimetry standardization [PDF]

, 2018
Cai, Bin, Caruthers, Douglas, Goddu, S. Murty, Mutic, Sasa, Noel, Camille, Sun, Baozhou, Wen, Jie, Yaddanapudi, Sridhar   +7 more
core   +2 more sources

Evaluation of Dosimetic Characteristics of Electronic Portal Imaging Device (EPID) for Flattening Filter Free (FFF) Beams

Journal of Health Science and Medical Research (JHSMR), 2017
Objective: To evaluatethe dosimetric characteristics of electronics portal imaging device (EPID) for 6 and 10 megavoltage(MV) of flattening filter-free (FFF) beams.
Thadpong Chanton, Sangutid Thongsawad, Nipon Saiyo, Nuntawat Udee   +3 more
doaj  

An EPID Dosimetry Verification During Treatment

, 2016
Purpose: This work reports the extension of a semiempirical method based on the correlation ratios to convert electronic portal imaging devices transit signals into in vivo doses for the step-and-shoot intensity-modulated radiotherapy Siemens beams.
Francesca Greco, L.C. Orlandini, Leonardo Chiatti, Angelo Piermattei, Sergio Zucca, M. Russo, S. Menna, Mattia Grusio, Savino Cilla, Luigi Azario, Luigi Azario, Andrea Fidanzio, Andrea Fidanzio   +12 more
openaire   +1 more source

Characterization of a novel large-area electronic portal imaging device system for a ring-shaped HalosTx linear accelerator in radiotherapy quality assurance. [PDF]

Quant Imaging Med Surg
Dai G, Gao D, Xiao Q, Song Y, Li G, Bai S.   +5 more
europepmc   +1 more source

Radiomics analysis of EPID measurements for patient positioning error detection in thyroid associated ophthalmopathy radiotherapy.

Physica medica (Testo stampato), 2021
Xiangbin Zhang, Guyu Dai, R. Zhong, Li Zhou, Qing Xiao, Xuetao Wang, Jialu Lai, Jianling Zhao, Guangjun Li, S. Bai   +9 more
semanticscholar   +1 more source

Comparison of positioning errors and PTV expansion between the iSCOUT image-guidance system and onboard EPID in rectal cancer radiotherapy: a real-world study. [PDF]

Front Oncol
Wan B, Hou L, Han J, Zheng Y, Liu C, Sun S, Zhao Y, Huan F, Wang H, Li T.   +9 more
europepmc   +1 more source

Impact of off-center diagonal profile depth pairing on gamma pass rates in portal dosimetry. [PDF]

J Radiat Res
Suzuki Y, Yamashita A, Okada Y, Ochiai T, Ishida K, Ota K, Ohashi T.   +6 more
europepmc   +1 more source

Comparison of log file-based and measurement-based QA for detecting MLC positional errors and evaluating dosimetric impacts of MLC defects. [PDF]

J Appl Clin Med Phys
Kim CH, Kang KM, Choi HS.
europepmc   +1 more source