نتایج جستجو برای: 3 d conformal radiotherapy

تعداد نتایج: 2281537  

Journal: :International journal of radiation research 2022

Contrast-enhanced ultrasound and color doppler as guidance for transhepatic artery chemoembolization following three-dimensional conformal radiotherapy

2013
Gustavo Arruda Viani Lucas Bernardes Godoy da Silva Bruna Bueno da Silva Yuri Bonicelli Crempe Vinicius Spazzapan Martins Ricardo Jose Rambaiolo Ferrari Mariana Colbachini Pólo Bruno Thiago Rossi Elton Suguikawa Giseli Correa Zulliani Eduardo Jose Stefano

PURPOSE To compare the acute toxicities in radical treatment of prostate cancer between conventional schedule (C-ARM) with 78 Gy/39 fractions and hypofractionation conformal treatment (H-ARM) with 69 Gy/23 fractions. METHODS AND MATERIAL This prospective double arm study consisted of 217 patients with prostate cancer, 112 in H-ARM and 105 in C-ARM arm. C-ARM received conventional six- field c...

2004
Victy Y.W. Wong

Two quality control devices, light-field device and radiation-field device, have been specially designed to facilitate the clinical implementation of conformal dynamic arc treatment (CDAT) and intensity modulated radiation therapy (IMRT). With the devices, the light field as well as the radiation field, projected from the individual beam at any treatment position (i.e. arbitrary gantry angle) c...

2004

ID: 1109 Title: Integral Dose in External Beam Photon Radiotherapy Integral dose is the volume integral of the dose deposited in the patient and is equal to the mean dose times the volume. The integral dose is also the area under the curve of a differential dose absolute-volume histogram. It is widely believed that IMRT increases the integral dose to normal tissues as compared to conventional r...

2012
Cem Onal Ezgi Oymak Ayse Kotek Esma Efe Gungor Arslan

PURPOSE The purpose of this study is to evaluate the correlation between the conventional plan parameters and dosimetric parameters obtained from conformal radiotherapy (RT) planning, and between these parameters and radiation pneumontitis (RP) incidence. METHODS Clinical and dosimetric data of 122 patients that were treated with mastectomy and adjuvant 3D conformal RT (39% received 2-field R...

2003
M. Mozrzymas

We describe the classical o(3, 2) r-matrices as generating the quantum deformations of either D=3 conformal algebra with mass-like deformation parameters or D=4 AdS algebra with dimensionless deformation parameters. We describe the quantization of classical o(3, 2) r-matrices via Drinfeld twist method which locates the deformation in the coalgebra sector. Further we obtain the quantum o(3, 2) a...

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