Results 101 to 110 of about 4,830 (200)

Transit Dosimetry for Patient Treatment Verification with an Electronic Portal Imaging Device [PDF]

, 2012
The complex and individualized photon fluence patterns constructed during intensity modulated radiation therapy (IMRT) treatment planning must be verified before they are delivered to the patient.
Berry, Sean Lawrence
core   +2 more sources

A generalized calibration procedure for in vivo transit dosimetry using siemens electronic portal imaging devices [PDF]

, 2010
A practical and accurate generalized in vivo dosimetry procedure has been implemented for Siemens linacs supplying 6, 10, and 15 MV photon beams, equipped with aSi electronic portal imaging devices (EPIDs).
Savino Cilla, Luciano Pompei, Mariateresa Russo, Cinzia Di Felice, Andrea Fidanzio, Piermattei, Angelo, Domenico Sabatino, Cilla, Savino, DI CASTRO, Elisabetta, Elisabetta Di Castro, Azario, Luigi, C. Di Felice, Francesca Greco, Laura Gargiulo, Luigi Azario, Greco, Francesca, Guido D’Onofrio, Fidanzio, Andrea, Angelo Piermattei, Massimo Cappiello, Guido D'Onofrio   +20 more
core   +1 more source

Integration of external and internal dosimetry in Switzerland [PDF]

, 2007
Individual monitoring regulations in Switzerland are based on the ICRP60 recommendations. The annual limit of 20 mSv for the effective dose applies to the sum of external and internal radiation.
Y. Lortscher, Fischer, G, Weidmann, U, Baechler, S, U. Weidmann, Mini, R, Leupin, A, D. Frei, Lörtscher, Y, Jossen, H, Schuh, R, Otto, T, T. Otto, A. Leupin, Frei, D, C. Wernli, G. Fischer, H. Jossen, R. Schuh, Wernli, C, S. Baechler, R. Mini   +21 more
core   +1 more source

Assessment of a 2D electronic portal imaging devices-based dosimetry algorithm for pretreatment and in-vivo midplane dose verification

Advanced Biomedical Research, 2016
Background: The use of electronic portal imaging devices (EPIDs) is a method for the dosimetric verification of radiotherapy plans, both pretreatment and in vivo.
Ali Jomehzadeh, Parvaneh Shokrani, Mohammad Mohammadi, Alireza Amouheidari   +3 more
doaj   +1 more source

Quality of treatment plans and accuracy of in vivo portal dosimetry in hybrid intensity-modulated radiation therapy and volumetric modulated arc therapy for prostate cancer [PDF]

, 2016
Background and purposeDelivering selected parts of volumetric modulated arc therapy (VMAT) plans using step-and-shoot intensity modulated radiotherapy (IMRT) beams has the potential to increase plan quality by allowing specific aperture positioning. This
Hanson, Ian M., Tree, AC, Tree, Alison C., Smyth, G, Hanson, IM, Bedford, JL, Smyth, Gregory, Dearnaley, David P., Hansen, Vibeke N., Dearnaley, DP, Hansen, VN, Bedford, James L.   +11 more
core   +1 more source

Portal dosimetry correction method for validation of single isocenter VMAT plans for multiple brain metastases. [PDF]

J Appl Clin Med Phys, 2022
Lalonde RJ, Huq MS.
europepmc   +1 more source

Overview of 3-year experience with large-scale electronic portal imaging device-based 3-dimensional transit dosimetry [PDF]

, 2015
To assess the usefulness of electronic portal imaging device (EPID)-based 3-dimensional (3D) transit dosimetry in a radiation therapy department by analyzing a large set of dose verification results.
Rozendaal, Roel A., Mijnheer, Ben J., Mijnheer, Ben J, van Herk, Marcel; id_orcid, Olaciregui-Ruiz, Igor, Mans, Anton, González, Patrick, van Herk, Marcel, Rozendaal, Roel A   +8 more
core   +1 more source

Extending in aqua portal dosimetry with dose inhomogeneity conversion maps for accurate patient dose reconstruction in external beam radiotherapy. [PDF]

Phys Imaging Radiat Oncol, 2022
Olaciregui-Ruiz I, Osinga-Blaettermann JM, Ortega-Marin K, Mijnheer B, Mans A.   +4 more
europepmc   +1 more source

A transit portal dosimetry method for respiratory gating quality assurance with a dynamic 3D printed tumor phantom. [PDF]

J Appl Clin Med Phys, 2022
Tan HQ, Koh CWY, Tan LKR, Lew KS, Chua CGA, Ang KW, Lee JCL, Park SY.   +7 more
europepmc   +1 more source

Reduction of patient specific quality assurance through plan complexity metrics for VMAT plans with an open-source TPS script

Zeitschrift für Medizinische Physik
Purpose: Volumetric modulated arc therapy (VMAT) is a widespread technique for the delivery of normo-fractionated radiation therapy (NFRT) and stereotactic body radiation therapy (SBRT).
Klara Uher, Stefanie Ehrbar, Stephanie Tanadini-Lang, Riccardo Dal Bello   +3 more
doaj   +1 more source