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1980
Matter is made of elementary particles consisting of a nucleus composed of protons and neutrons surrounded by electrons. The protons are hydrogen nuclei with a positive charge and their number determines the atomic number. The neutrons, which have no electric charge, form with the protons the nucleons which determine the atomic mass.
G. Salamon, J. Saudinos
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Matter is made of elementary particles consisting of a nucleus composed of protons and neutrons surrounded by electrons. The protons are hydrogen nuclei with a positive charge and their number determines the atomic number. The neutrons, which have no electric charge, form with the protons the nucleons which determine the atomic mass.
G. Salamon, J. Saudinos
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Dose in x-ray computed tomography
Physics in Medicine and Biology, 2014Radiation dose in x-ray computed tomography (CT) has become a topic of high interest due to the increasing numbers of CT examinations performed worldwide. This review aims to present an overview of current concepts for both scanner output metrics and for patient dosimetry and will comment on their strengths and weaknesses.
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2000
X-ray computed tomography (CT) is still a workhorse of neuroimaging despite the significant contributions to neurodiagnosis made by newer technologies such as magnetic resonance imaging (MRI), positron emission tomography (PET), and single proton emission CT (SPECT). Within only a few years of its introduction in 1972, by Geoffrey N.
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X-ray computed tomography (CT) is still a workhorse of neuroimaging despite the significant contributions to neurodiagnosis made by newer technologies such as magnetic resonance imaging (MRI), positron emission tomography (PET), and single proton emission CT (SPECT). Within only a few years of its introduction in 1972, by Geoffrey N.
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Quantitative cone beam X-ray luminescence tomography/X-ray computed tomography imaging
, 2014Dongmei Chen +7 more
semanticscholar +1 more source
2017
This chapter provides an overview of the use of x-ray and computed tomography (CT)-based imaging for brachytherapy. Treatment planning in brachytherapy requires accurate imaging of both the implanted materials and the surrounding anatomy. Ultrasound (US) and magnetic resonance imaging (MRI), which can provide excellent soft-tissue contrast for ...
Martin T. King, Michael J. Zelefsky
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This chapter provides an overview of the use of x-ray and computed tomography (CT)-based imaging for brachytherapy. Treatment planning in brachytherapy requires accurate imaging of both the implanted materials and the surrounding anatomy. Ultrasound (US) and magnetic resonance imaging (MRI), which can provide excellent soft-tissue contrast for ...
Martin T. King, Michael J. Zelefsky
openaire +1 more source