Results 41 to 50 of about 15,751 (313)

Optimization of the calculation time in simulation using the GATE/GEANT4 Monte Carlo of radiotherapy treatment plans for small fields [PDF]

E3S Web of Conferences, 2021
Radiation therapy is one of the most widely used methods of treating cancer. One of the therapeutic gains of this method is to save in terms of calculation time during treatment planning, the variance reduction method is one of the most used to reduce ...
Tantaoui Meriem, Krim Mustapha, Ghazi Ismail, Sobhy Zineb, Kaanouch Othmane, Kartouni Abdelkrim, Sahraoui Souha   +6 more
doaj   +1 more source

Dose-volume histograms (DVHs) of the flattening filter-free intensity-modulated radiotherapy (FFF-IMRT), conventional IMRT (C-IMRT), flattening filter-free volumetric modulated arc therapy (FFF-VMAT) and conventional VMAT (C-VMAT) plans for Patient 4. [PDF]

, 2016
Dose-volume histograms (DVHs) of the flattening filter-free intensity-modulated radiotherapy (FFF-IMRT), conventional IMRT (C-IMRT), flattening filter-free volumetric modulated arc therapy (FFF-VMAT) and conventional VMAT (C-VMAT) plans for Patient 4.
Jing Zheng (65946), Bao-Tian Huang (490817), Jia-Yang Lu (701744), Wu-Zhe Zhang (713773)   +3 more
core   +1 more source

Dose distributions of the flattening filter-free intensity-modulated radiotherapy (FFF-IMRT), conventional IMRT (C-IMRT), flattening filter-free volumetric modulated arc therapy (FFF-VMAT) and conventional VMAT (C-VMAT) plans for Patient 4. [PDF]

, 2016
Dose distributions of the flattening filter-free intensity-modulated radiotherapy (FFF-IMRT), conventional IMRT (C-IMRT), flattening filter-free volumetric modulated arc therapy (FFF-VMAT) and conventional VMAT (C-VMAT) plans for Patient 4.
Jing Zheng (65946), Bao-Tian Huang (490817), Jia-Yang Lu (701744), Wu-Zhe Zhang (713773)   +3 more
core   +1 more source

Design and analysis of a control system for an optical delay-line circuit used as reconfigurable gain equalizer [PDF]

, 2003
The design and analysis of a control system for a coherent two-port lattice-form optical delay-line circuit used as reconfigurable gain equalizer is presented.
McBride, R., Schlipf, T.R., Cumming, D.R.S., Street, M.W., Pandavenes, J.   +4 more
core   +1 more source

The Dosimetric Comparison of Different SBRT Techniques for Treatment of Liver Cancer Using Flattened and Flattening Filter Free Beam [PDF]

Iranian Journal of Medical Physics, 2022
Introduction:To compare the three-dimensional conformal radiotherapy (3DCRT), dynamic conformal arc therapy (DCA), and volumetric modulated arc therapy (VMAT) in stereotactic body radiation therapy (SBRT) of liver cases using 6MV and 10 MV flattened beam
SURESH T, Saminathan MADESWARAN
doaj   +1 more source

Comparison of treatment plan quality of VMAT for esophageal carcinoma with: flattening filter beam versus flattening filter free beam [PDF]

Journal of Cancer, 2018
Purpose: To investigate the difference in treatment plan quality of volumetric modulated arc treatment (VMAT) for esophageal carcinoma with flattening filter beam (FF) and flattening filter free beam (FFF). Material and methods: A total of fifty-six treatment plans were generated for twenty eight esophageal carcinoma patients with flattening filter ...
Sun, Wen-zhao, Chen, Li, Yang, Xin, Wang, Bin, Deng, Xiao-wu, Huang, Xiao-yan   +5 more
openaire   +2 more sources

Simulation Of Neutron Contamination From Medical Linac Using Particle And Heavy Ions Transport Code System (PHITS)

Indonesian Journal of Applied Physics, 2022
A research on neutron contamination in LINAC device has been carried out using a Monte Carlo method. The simulation is based on the Siemens Primus  LINAC machine model whose component consists of  target, primary collimator, flattening filter and ...
Bilalodin Bilalodin, Aris Haryadi, Bejo Haryanto   +2 more
doaj   +1 more source

Flattening Filter Free vs. Flattened Beams for Lung Stereotactic Body Radiation Therapy [PDF]

Anticancer Research, 2017
To assess the clinical impact of high dose rate stereotactic body radiation therapy (SBRT) in patients with lung neoplastic lesions.From January 2014 to June 2016, a single-center retrospective analysis was performed including all patients treated by either flattening filter free (FFF) beams or flattening filter beams (FF) three-dimensional (3D) SBRT ...
Pierre, Annede, Julien, Darreon, Ahcene, Benkemouche, Simon, Valdenaire, Marguerite, Tyran, Bertrand, Kaeppelin, Alban, Macagno, Julien, Barrou, Leonel Varela, Cagetti, Veronique, Favrel, Laurence, Moureau-Zabotto, Laurence, Gonzague, Pierre, Fau, Cyrus, Chargari, Agnes, Tallet, Naji, Salem   +15 more
openaire   +2 more sources

Novità in Radioterapia: Flattening Filter Free [PDF]

, 2017
Il Flattening Filter (FF), ossia il filtro di attenuazione, omogenizza energia ed intensità del fascio di Raggi X durante l'erogazione di un trattamento radioterapico.
Papaleo, Antonella, Russo, Donatella, Donno, Elisa, Cavalera, Elisa, Leo, Serena   +4 more
core   +2 more sources

Structural shielding design of a 6 MV flattening filter free linear accelerator: Indian scenario

Journal of Medical Physics, 2017
Detailed structural shielding of primary and secondary barriers for a 6 MV medical linear accelerator (LINAC) operated with flattening filter (FF) and flattening filter free (FFF) modes are calculated.
Bibekananda Mishra, T Palani Selvam, P K. Dash Sharma   +2 more
doaj   +1 more source