Published February 1989
by Institute of Physics Publishing .
Written in English
|Contributions||R. Holt (Editor)|
|The Physical Object|
|Number of Pages||100|
Page Chapter 6 Positron Emission Tomography Introduction History. The history of positron emission tomography (PET) can be traced to the early s, when the medical imaging possibilities of a particular class of radioactive substances were first realized. The history of positron emission tomography (PET) can be traced to the early s, when the medical imaging possibilities of a particular class of radioactive substances were first realized. It was recognized then that the high-energy photons produced by the annihilation of the positron-emitting isotopes could be used to describe, in three dimensions, the physiological distribution . Emission Tomography: The Fundamentals of PET and SPECT explains the physics and engineering principles of these important functional-imaging methods. The technology of emission tomography is covered in detail, including historical origins, scientific and mathematical foundations, imaging systems and their components, image reconstruction and. A CT scan, or computed tomography scan is a medical imaging procedure that uses computer-processed combinations of many X-ray measurements taken from different angles to produce cross-sectional (tomographic) images (virtual "slices") of specific areas of a scanned object, allowing the user to see inside the object without Nobel Prize in Physiology ICDCM:
This work proposes and studies a new field of x-ray tomography which combines the principles of scatter imaging and coded apertures, termed coded aperture x-ray scatter imaging (CAXSI). Conventional x-ray tomography reconstructs an object's electron density distribution by measuring a set of line integrals known as the x-ray transform, based Cited by: 1. Positron emission tomography (PET) is an imaging technique that uses radioactive substances to visualize and measure metabolic processes in the body. PET is mainly used in the area of medical imaging for detecting or measuring changes in physiological activities like metabolism, blood flow, regional chemical composition, and absorption, and therefore, also called a ICDCM: While books on the medical applications of x-ray imaging exist, there is not one currently available that focuses on industrial applications. Full of color images that show clear spectrometry and rich with applications, X-Ray Imaging fills the need for a comprehensive work on modern industrial x . Fan-beam coherent scatter computed tomography (CSCT) is a novel X-ray based imaging method revealing structural information of tissue under investigation. The source of contrast is the angular-dependent coherent scatter cross-section, which is Cited by:
Both mammography and standard ultrasound (US) rely upon subjective criteria within the breast imaging reporting and data system (BI-RADS) to provide more uniform interpretation outcomes, as well as differentiation and risk stratification of associated abnormalities. In addition, the technical performance and professional interpretation of both tests suffer from machine and Author: Nebojsa Duric, Peter Littrup. MicroPET is a prototype high-resolution positron emission tomography (PET) scanner designed for imaging small laboratory animals. It is the first PET system to make use of the new scintillator lutetium oxyorthosilicate and also the first system to employ fiber-optic coupling as a means for reading out very small scintillator elements with minimal deadspace. The code includes calculations of the Rayleigh scatter, Compton scatter, Doppler broadening effects of the spectrum, and polarization effects following the Compton scatter. The Doppler broadening portion of the code was validated by a deterministic code called Scatgram. The mechanics of double scatter were validated by a Monte Carlo transport : David W. Gerts. Compressing the breast for imaging has an impact in a number of areas. Making the breast thinner means there is less tissue to traverse and therefore fewer x-rays are required. In addition to this, reducing the thickness of the breast reduces the amount of x-ray scatter and therefore improves image quality.