Results 31 to 40 of about 111,944 (187)
Background: We aimed to evaluate osteoporosis, bone mineral density, and fracture risk in irradiated patients by computerized tomography derived Hounsfield Units (HUs) calculated from radiation treatment planning system.Methods: Fifty-seven patients ...
Gokhan Yaprak+4 more
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Multiobjective, Multidelivery Optimization for Radiation Therapy Treatment Planning
Purpose: To introduce multiobjective, multidelivery optimization (MODO), which generates alternative patient-specific plans emphasizing dosimetric trade-offs and conformance to quasi-constrained (QC) conditions for multiple delivery techniques.
William Tyler Watkins, PhD+2 more
doaj
COMPARATIVE ANALYSIS OF RADIATION DOSES ON HEART WHEN USING VARIOUS 3D PLANNING METHODS
Background. Malignant neoplasms of the mammary gland represent the most numerous groups in terms of morbidity and mortality among women of the Republic of Belarus.
Lukyanovsky R. V.+2 more
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Current concepts in F18 FDG PET/CT-based Radiation Therapy planning for Lung Cancer
Radiation therapy is an important component of cancer therapy for early stage as well as locally advanced lung cancer. The use of F18 FDG PET/CT has come to the forefront of lung cancer staging and overall treatment decision-making. FDG PET/CT parameters
Percy eLee+5 more
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Computation of optimal radiation treatment plans
AbstractThe goal of radiotherapy is to destroy a tumour in the patient's body by means of radiation. At the same time, healthy tissue is to be damaged as little as possible. In mathematical terms this means: in certain parts of the body minimal doses - necessary to destroy the cancerous tissue - must be achieved; in other parts maximum doses should not
openaire +2 more sources
Background The treatment of lung lesions with stereotactic body radiation therapy calls for highly conformal dose, which is evaluated by a number of metrics. Lung stereotactic body radiation therapy clinical trials constrain a plans gradient index.
David Hoffman+4 more
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Radiation exposure during orthodontic treatment: risk to children and adolescents
Objectives: To estimate radiation risk to children and adolescents during orthodontic treatment by retrieving number and type of radiographs from the patient records. Material and methods: Radiographs, along with justifications for radiation exposure,
Christina Stervik+2 more
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Comparison of radiation dose calculation differences between uRT-TPS and Monaco-TPS for the same linear accelerator in multiple cancers [PDF]
Background and Purpose: In recent years, domestic radiotherapy equipment and related software have made great progress, and testing the functionality and stability of the equipment and software is an essential step.
YANG Yanju, FANG Yingtao, GAO Dadi, WANG Jiazhou, ZHAO Jun, HU Weigang
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Digital Computers in Radiation Treatment Planning
Details are given of a scheme whereby treatment planning for radiotherapy may be carried out using a digital computer. A programme has been written with great generality to enable a wide range of fixed field and rotational treatment plans to be carried out.
openaire +3 more sources
Radio(chemo)therapy in locally advanced nonsmall cell lung cancer
Definitive radiochemotherapy is the standard treatment for many patients with locally advanced nonsmall cell lung cancer (NSCLC). Treatment outcomes have improved over the last decades. Several treatment regimens have been shown effective and safe.
Markus Glatzer+4 more
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