Results 11 to 20 of about 501,137 (299)

Quantification of geometric uncertainties in image guided radiotherapy [PDF]

, 2010
The aim of this thesis is to determine if the geometric uncertainties that are introduced into the image guided radiotherapy (IGRT) process by Cone Beam CT (CBCT) based IGRT equipment are sufficiently small that they do not pose a significant risk of ...
Sykes, Jonathan
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Application of mri for improved local control in complex radiotherapy of cervical cancer [PDF]

Archive of Oncology, 2006
Background: The aim of this study was to analyze the use of magnetic resonance imaging (MRI) as a modern medical imaging technique in radiotherapy with special emphasis on the integration of MRI and a novel technique in brachytherapy to optimize ...
Hadjiev Janaki, Cselik Zsolt, Bogner Péter, Kovács Árpád, Lakosi Ferenc, Kotek Gyula, Repa Imre   +6 more
doaj   +1 more source

Feasibility of Megavoltage CT for High-Dose Retrospective Planning of Helical Tomotherapy and Linac Treatment Plans: Hepatocellular Carcinoma Cancer Case [PDF]

Iranian Journal of Medical Physics, 2022
Introduction: This work aimed to investigate the use of megavoltage CT (MVCT) images for retrospective planning in high-dose and low-fractionation radiation techniques for Helical Tomotherapy and Linac.Material and Methods: This work used pre-treatment ...
Ahmad Syafi, Nuruddin Nasution, Wahyu Wibowo, Hendry Kodrat, Supriyanto Pawiro   +4 more
doaj   +1 more source

Blood-brain barrier permeability following conventional photon radiotherapy – A systematic review and meta-analysis of clinical and preclinical studies

Clinical and Translational Radiation Oncology, 2022
Radiotherapy (RT) is a cornerstone treatment strategy for brain tumours. Besides cytotoxicity, RT can cause disruption of the blood–brain barrier (BBB), resulting in an increased permeability into the surrounding brain parenchyma. Although this effect is
Elvin't Hart, Zelda Odé, Marc P.P. Derieppe, Lucianne Groenink, Martijn W. Heymans, René Otten, Maarten H. Lequin, Geert O.R. Janssens, Eelco W. Hoving, Dannis G. van Vuurden   +9 more
doaj   +1 more source

Identification of differentially expressed genes in cervical carcinoma after radiotherapy [PDF]

Jichu yixue yu linchuang, 2022
Objective To study the effect of radiotherapy on gene expression in cervical cancer tissues and to find the role of differentially expressed genes in sensitivity and resistance to radiotherapy.
BAI Jing, LIU Na, DING Li, LEI Li, NI Rui, YAN Shao-chun, SHAO Guo
doaj   +1 more source

Proton beam radiotherapy in the management of uveal melanoma: clinical experience in Scotland [PDF]

, 2008
<p>Aim: To evaluate proton-beam radiotherapy (PBRT) in the management of uveal melanoma in Scotland.</p> <p>Methods: A retrospective review was undertaken on all patients receiving PBRT for uveal melanoma (1994–2005).
McConnachie, A., Alex Taylor, Alex Kacperek, Aziz, S., Samir Aziz, Kemp, E., Andrzej McConnachie, Ewan Kemp, Kacperek, A., Taylor, A.   +9 more
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Evaluation of Variability of Dosiomics Features with Varying Prescribed Dose in Prostate Cancer [PDF]

Journal of Biomedical Physics and Engineering
Background: Dosiomics involves converting 3D dose distribution matrices into quantifiable data for analysis. Evaluating the stability of dosiomics features against different prescribed doses is essential before utilizing them for treatment plan ...
Marziyeh Mirzaeiyan, Simin Hemati, Ali Akhavan, Mahnaz Etehadtavakol, Zahra Sharifonnasabi, Alireza mouheidari, Atoosa Adibi, Hossein Khanahmad, Parvaneh Shokrani   +8 more
doaj   +1 more source

Dosage compensation in birds [PDF]

, 2001
The Z and W sex chromosomes of birds have evolved independently from the mammalian X and Y chromosomes [1]. Unlike mammals, female birds are heterogametic (ZW), while males are homogametic (ZZ).
Bird, Adrian P, Derek McBride, McQueen, H A; id_orcid, Gino Miele, McQueen, Heather A, McBride, Derek, Miele, Gino, McBride, D, Miele, G, Clinton, M, Bird, A P; id_orcid, Heather A McQueen, Michael Clinton, Clinton, Michael, Adrian P Bird   +14 more
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External radiotherapy of thyroid cancer [PDF]

, 2001
Differentiated thyroid cancer comprises papillary, mixed papillary-follicular and follicular adenocarcinomas. They are mostly hormone-sensitive and respond to thyroid-stimulating hormone (TSH) suppression. The standard treatment is total thyroidectomy. I-
Pollinger, B., Dühmke, Eckhart
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Radiotherapy waiting times for women with breast cancer: a population-based cohort study [PDF]

, 2007
Background: Waiting times for cancer patients are a national priority in the UK. Previous studies have shown variation between cancer networks in the time between diagnosis and start of radiotherapy for all cancer patients. Studies of the relationship
Jack, Ruth H, Jack Ruth H, Davies, EA, Elizabeth A Davies, Moller, H; id_orcid, Davies, E A; id_orcid, Robinson, D, Jack, Ruth H., Henrik Møller, Møller Henrik, Sainsbury, Richard, Richard Sainsbury, Møller, Henrik, Robinson David, Jack, RH, Sainsbury, R, David Robinson, Møller, H, Ruth H Jack, Robinson, David, Sainsbury Richard, Davies Elizabeth A, Davies, Elizabeth A   +22 more
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