Results 41 to 50 of about 10,990 (209)

Setup in a clinical workflow and impact on radiotherapy routine of an in vivo dosimetry procedure with an electronic portal imaging device. [PDF]

PLoS ONE, 2018
High conformal techniques such as intensity-modulated radiation therapy and volumetric-modulated arc therapy are widely used in overloaded radiotherapy departments.
Jie Li, Angelo Piermattei, Pei Wang, Shengwei Kang, Mingyong Xiao, Bin Tang, Xiongfei Liao, Xin Xin, Mattia Grusio, Lucia Clara Orlandini   +9 more
doaj   +1 more source

A hybrid radiation detector for simultaneous spatial and temporal dosimetry [PDF]

, 2011
In this feasibility study an organic plastic scintillator is calibrated against ionisation chamber measurements and then embedded in a polymer gel dosimeter to obtain a quasi-4D experimental measurement of a radiation field.
A Karlsson, A Venning, AS Beddar, AS Beddar, C Baldock, C. M. Langton, C. Poole, E Dumas, EB Farfan, GH Yan, H Fricke, H Meertens, HL Andrews, J Lambert, J. Kenny, J. V. Trapp, JA Adamovics, JC Gore, JC Gore, JM Fontbonne, JV Trapp, JW Boag, K Williams, K. Williams, L Archambault, L Archambault, M Descovich, M. Taylor, MJ Day, MJ Maryanski, MJ Maryanski, ML Taylor, ML Taylor, NA Baily, NM Tremblay, PA Jursinic, PM Evans, PM Fong, R. Franich, RB Mesrobian, RJ Schulz, S Dieterich, S Hepworth, S Khoei, SF deBoer, SJ Doran, T Bortfield, T Gorjiara, T. Kairn, V Feygelman, W Elmpt van, W Etmpt van, Y Deene De, Y Deene De, Y Deene De   +54 more
core   +2 more sources

Comparison of sliding window and field-in-field techniques for tangential whole breast irradiation using the Halcyon and Synergy Agility systems

Radiation Oncology, 2021
Background To implement a tangential treatment technique for whole breast irradiation using the Varian Halcyon and to compare it with Elekta Synergy Agility plans.
Anne Richter, Sonja Wegener, Kathrin Breuer, Gary Razinskas, Stefan Weick, Florian Exner, Klaus Bratengeier, Michael Flentje, Otto Sauer, Bülent Polat   +9 more
doaj   +1 more source

Effect of variations in atelectasis on tumor displacement during radiation therapy for locally advanced lung cancer [PDF]

, 2017
Purpose Atelectasis (AT), or collapsed lung, is frequently associated with central lung tumors. We investigated the variation of atelectasis volumes during radiation therapy and analyzed the effect of AT volume changes on the reproducibility of the ...
Tennyson, Nathan, Weiss, Elisabeth, Sleeman, William, Rosu, Mihaela, Jan, Nuzhat, Hugo, Geoffrey D.   +5 more
core   +2 more sources

Simple electronic portal imager-based pretreatment quality assurance using Acuros XB: A feasibility study

Journal of Medical Physics, 2019
Objective: This study demonstrates a novel electronic portal imaging device (EPID)-based forward dosimetry approach for pretreatment quality assurance aided by a treatment planning system (TPS).
Arjunan Manikandan, Sureka Chandra Sekaran, Biplab Sarkar, Sujatha Manikandan   +3 more
doaj   +1 more source

Comparison of ArcCHECK and portal dosimetry in dose verification for intensity modulated radiotherapy plan for craniospinal irradiation

Journal of Radiation Research and Applied Sciences, 2023
Background: To study the performance of ArcCHECK system and Portal Dosimetry (PD) used for dose verification in intensity-modulated radiotherapy (IMRT) plan of the craniospinal irradiation (CSI).
Jun Yang, Shengnan Dong, Yangyang Huang, Jun Wang, Zhifeng Yang, Qian Li, Guilin He   +6 more
doaj   +1 more source

Stenting of the Portal Vein Combined with Different Numbers of Iodine-125 Seed Strands: Dosimetric Analyses

Chinese Medical Journal, 2017
Background: Portal-vein stent combined with one iodine-125 (125I) seed strand has become a new treatment for portal vein tumor thrombosis. However, dosimetric aspects of this irradiation stent have not been reported.
Li-Hong Yao, Liang Su, Lu Liu, Hai-Tao Sun, Jun-Jie Wang   +4 more
doaj   +1 more source

Combined Yttrium-90 microsphere selective internal radiation therapy and external beam radiotherapy in patients with hepatocellular carcinoma: From clinical aspects to dosimetry. [PDF]

PLoS ONE, 2018
PURPOSE:Selective internal radiation therapy (SIRT) is an effective treatment strategy for unresectable hepatocellular carcinoma (HCC) patients. However, the prognoses of patients with portal vein thrombosis, extra-hepatic metastases, or residual tumors ...
Ti-Hao Wang, Pin-I Huang, Yu-Wen Hu, Ko-Han Lin, Ching-Sheng Liu, Yi-Yang Lin, Chien-An Liu, Hsiou-Shan Tseng, Yu-Ming Liu, Rheun-Chuan Lee   +9 more
doaj   +1 more source

Clinical Experience of Intensity Modulated Radiotherapy Pre-Treatment Quality Assurance for Carcinoma Head and Neck Patients with EPID and IMatriXX in Rural Center [PDF]

Journal of Biomedical Physics and Engineering, 2020
Background: Radiation therapy techniques as Intensity Modulated Radiotherapy (IMRT), rapid arc have been used for treatment of cancer with high accuracy.
M More, V Jain, O P Gurjar
doaj   +1 more source

Quality assurance of RapidArc in clinical practice using portal dosimetry [PDF]

The British Journal of Radiology, 2011
Quality assurance data from five centres were analysed to assess the reliability of RapidArc radiotherapy delivery in terms of machine and dosimetric performance.A large group of patients was treated with RapidArc radiotherapy and treatment data recorded. Machine quality assurance was performed according to Ling et al (Int J Radiat Oncol Biol Phys 2008;
Fogliata, A, Clivio, A, Fenoglietto, P, Hrbacek, J, Kloeck, S, Lattuada, P, Mancosu, P, Nicolini, G, Parietti, E, Urso, G, Vanetti, E, Cozzi, L   +11 more
openaire   +3 more sources