Results 301 to 310 of about 5,204,838 (351)
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Radiology, 1974
Physical, technical, radiological, and clinical status of proton therapy is reviewed. Protons produce effects similar to those of x rays, but dose distribution and range make protons more flexible and useful therapeutically. The ability to confine the major fraction of proton absorbed dose to a designated volume allows the decrease of dose to normal ...
J O, Archambeau +4 more
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Physical, technical, radiological, and clinical status of proton therapy is reviewed. Protons produce effects similar to those of x rays, but dose distribution and range make protons more flexible and useful therapeutically. The ability to confine the major fraction of proton absorbed dose to a designated volume allows the decrease of dose to normal ...
J O, Archambeau +4 more
openaire +2 more sources
A proton therapy system in Nagoya Proton Therapy Center
Australasian Physical & Engineering Sciences in Medicine, 2016The purpose of this paper is to describe an outline of a proton therapy system in Nagoya Proton Therapy Center (NPTC). The NPTC has a synchrotron with a linac injector and three treatment rooms: two rooms are equipped with a gantry and the other one is equipped with a fixed horizontal beamline.
Toshiyuki, Toshito +20 more
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Cancer radiotherapie : journal de la Societe francaise de radiotherapie oncologique, 2017
Proton therapy is an optimized radiotherapy technique. Today, the technical improvement provides reliable machines. The therapeutic indications are clearer even though therapeutic trials should confirm the current guidelines. A better knowledge in radiobiology could be useful if it is integrated in the treatment planning system.
G, Noël, D, Antoni
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Proton therapy is an optimized radiotherapy technique. Today, the technical improvement provides reliable machines. The therapeutic indications are clearer even though therapeutic trials should confirm the current guidelines. A better knowledge in radiobiology could be useful if it is integrated in the treatment planning system.
G, Noël, D, Antoni
openaire +3 more sources
Simultaneous dose and dose rate optimization (SDDRO) for FLASH proton therapy.
Medical Physics (Lancaster), 2020PURPOSE FLASH radiotherapy (RT) can potentially reduce normal tissue toxicity while preserving tumoricidal effectiveness to improve the therapeutic ratio. The key of FLASH for sparing normal tissues is to irradiate tissues with an ultra-high dose rate (i.
Hao Gao +6 more
semanticscholar +1 more source
Ugeskrift for laeger, 2020
This review summarises the potential usage of proton therapy in Denmark. About one third of Danes are diagnosed with cancer, and half of these need radiotherapy in the course of treatment. Radiation dose cannot be adequately increased without giving rise to unacceptable, high risk of toxicity, but proton therapy is encouraging due to a unique depth ...
Hanna R, Mortensen +2 more
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This review summarises the potential usage of proton therapy in Denmark. About one third of Danes are diagnosed with cancer, and half of these need radiotherapy in the course of treatment. Radiation dose cannot be adequately increased without giving rise to unacceptable, high risk of toxicity, but proton therapy is encouraging due to a unique depth ...
Hanna R, Mortensen +2 more
openaire +1 more source
Investigation of Proton–Boron Capture Therapy vs. proton therapy
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2020Abstract This study aims to compare proton therapy and Proton Boron Capture Therapy (PBCT) through Monte Carlo simulation. A proton beam passing through the Snyder head phantom was simulated with and without boron in a tumor region at the center of the phantom.
Zahra Ahmadi Ganjeh +1 more
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The Cancer Journal, 2014
Sarcomas are a heterogeneous group of tumors that can occur in a wide array of anatomic sites and age ranges with varying histologies. Proton beam therapy, as compared with advanced x-ray radiation therapy techniques, can substantially lower dose to nontarget tissues.
Sameer, Keole +2 more
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Sarcomas are a heterogeneous group of tumors that can occur in a wide array of anatomic sites and age ranges with varying histologies. Proton beam therapy, as compared with advanced x-ray radiation therapy techniques, can substantially lower dose to nontarget tissues.
Sameer, Keole +2 more
openaire +2 more sources
Exploration and application of phenomenological RBE models for proton therapy
Physics in Medicine and Biology, 2018The relative biological effectiveness (RBE) of protons varies with multiple physical and biological factors. Phenomenological RBE models have been developed to include such factors in the estimation of a variable RBE, in contrast to the clinically ...
E. Rørvik +7 more
semanticscholar +1 more source
The Cancer Journal, 2009
The technology that is used for the production and delivery of therapeutic proton beams is reviewed. Increased interest in this treatment modality has inspired a new generation of technology development and research into methods that will make proton treatment facilities more widely available (less expensive) and more efficient. Proton beam therapy has
Jacob, Flanz, Alfred, Smith
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The technology that is used for the production and delivery of therapeutic proton beams is reviewed. Increased interest in this treatment modality has inspired a new generation of technology development and research into methods that will make proton treatment facilities more widely available (less expensive) and more efficient. Proton beam therapy has
Jacob, Flanz, Alfred, Smith
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Cancer Investigation, 2006
All advances in radiation oncology aim to improve the therapeutic ratio for patients. Most of the recent technological advances accomplish this by maximizing dose to the tumor while minimizing dose...
Shannon M, MacDonald +2 more
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All advances in radiation oncology aim to improve the therapeutic ratio for patients. Most of the recent technological advances accomplish this by maximizing dose to the tumor while minimizing dose...
Shannon M, MacDonald +2 more
openaire +2 more sources