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Friday, February 7, 2020 | History

6 edition of Positron emission tomography found in the catalog.

Positron emission tomography

Positron emission tomography

basic science and clinical practice

by

  • 33 Want to read
  • 32 Currently reading

Published by Springer in London, New York .
Written in English

    Subjects:
  • Tomography, Emission-Computed -- methods

  • Edition Notes

    Includes bibliographical references and index.

    StatementPeter E. Valk ... [et al.].
    ContributionsValk, Peter E., 1940-
    Classifications
    LC ClassificationsRC78.7.T62 P687 2003
    The Physical Object
    Paginationxix, 884 p. :
    Number of Pages884
    ID Numbers
    Open LibraryOL19149385M
    ISBN 101852334851
    LC Control Number2002067021
    OCLC/WorldCa49698933

    These views allow the doctor to correlate and interpret information from two different exams on Positron emission tomography book image This leads to more precise information and accurate diagnoses. It may also pass out of your body through your urine or stool during the first few hours or days following the test. Your doctor will inform you of all significant risks prior to the treatment and give you an opportunity to ask questions. Localization of the positron annihilation event[ edit ] The most significant fraction of electron—positron annihilations results in two keV gamma photons being emitted at almost degrees to each other; hence, it is possible to localize their source along a straight line of coincidence also called the line of response, or LOR. The text is intended not only for scientists, but also for all clinicians seeking recent information regarding PET. Instead, you are encouraged to drink water.

    Because most of the new PET equipments come as hybrid machines with CT or MRI, two chapters have been included at the end of the book to provide basic and comprehensive information about these two technologies. Less intense areas, or "cold spots," indicate a smaller concentration of radiotracer and less activity. They can also show whether a patient is responding to treatment. With the exception of intravenous injections, they are usually painless.

    You will lie on a narrow examination table that slides in and out of this short tunnel. Risks Because only a small dose of radiotracer is used, nuclear medicine exams have a Positron emission tomography book low radiation exposure. These tests use radioactive materials called radiopharmaceuticals or radiotracers to help doctors diagnose and evaluate medical conditions. The CT scanner is typically a large, donut-shaped machine with a short tunnel in the center. The first part of the book explains the physical and biochemical basis for PET and covers such topics as instrumentation, image reconstruction, and the production and diagnostic properties of radiopharmaceuticals. Instead, the isotope must be prepared first, then afterward, the chemistry to prepare any organic radiotracer such as FDG accomplished very quickly, in the short time before the isotope decays.


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Positron emission tomography Download PDF Ebook

See the Safety in X-ray, Interventional Radiology and Nuclear Medicine Procedures page for more information about pregnancy, breastfeeding and nuclear medicine imaging. Special cameras detect this energy and, with the help of a computer, create pictures that offer details on the structure and function of organs and tissues.

PhelpsEdward J. Unlike other imaging techniques, nuclear medicine exams focus on processes within the body, such as rates of metabolism or levels of various other chemical activity.

The advent of sub-nanosecond timing resolution detectors affords better random coincidence rejection, thus favoring 3D image reconstruction.

Positron Emission Tomography

In the history of medicine no imaging modality has ever become so popular for use in such a short time as has the PET technology. You will need to remain still during imaging.

The main focus, of course, is in management Positron emission tomography book cancer patients. Hoffman and others at Washington University School of Medicine. It can also contribute significantly in identifying areas exactly where radiotherapy is to be targeted avoiding unnecessary Positron emission tomography book exposure to surrounding tissue.

Nuclear medicine exams use a radioactive material called a radiopharmaceutical or radiotracer. It can take several hours to days for the radiotracer to accumulate in the area of interest, and imaging may take up to several hours to perform.

What makes this book important and informative to any reader is that it is a collection of chapters written by luminaries in the field of PET. At present,[ when? Contemporary scanners can estimate attenuation using integrated x-ray CT equipment, in place of earlier equipment that offered a crude form of CT using a gamma ray positron emitting source and the PET detectors.

Since the tracers are radioactive, the elderly[ dubious — discuss ] and pregnant are unable to use it due to risks posed by radiation.

More modern scanners now include multiple rings, essentially forming a cylinder of detectors. These radionuclides are incorporated either into compounds normally used by the body such as glucose or glucose analogueswateror ammoniaor into molecules that bind to receptors or other sites of drug action.

Positron Emission Tomography

Later, the substance was used in dedicated positron tomographic scanners, to yield the modern procedure. Risks Because only a small dose of radiotracer is used, nuclear medicine exams have a Positron emission tomography book low radiation exposure.positron emission tomography scan listen (PAH-zih-tron ee-MIH-shun toh-MAH-gruh-fee skan) A procedure in which a small amount of radioactive glucose (sugar) is injected into a vein, and a scanner is used to make detailed, computerized pictures of areas inside the body where the glucose is taken up.

This book provides basic information about the relatively new and evolving technology –positron emission tomography- for its Positron emission tomography book applications and practical guidance for the referring physicians.

Chapters cover application of PET in various clinical settings including oncology, cardiology, and neurology with a focus on its role in various. This book, written by Richard Wahl from the Department of Nuclear Medicine at Johns Hopkins University and assisted by multiple coauthors from other institutions, amply fulfills its goals of serving as both a reference and a starting point for physicians engaged in the performance of positron emission tomography (PET).Author: Jeffrey Bisker.Positron emission from Fluorine, as shown above, has become an important medical diagnostic tool; Positron Emission Pdf (a PET scan).

The heart of this technique is based on the fact that positrons undergo instant annihilation when they collide with an electron (an example of matter-antimatter annihilation). When this occurs, two.PET is short for “positron emission tomography.” It provides information about blood flow and how your body’s using oxygen and sugar.

That can give important clues about how a disease is.Feb 23,  · "Positron Emission Tomography is a useful, informative book on PET ebook in molecular biology in solid tumors.

this is a well-written book blending facts and data from the clinical and molecular imaging perspectives on solid malignancies.5/5(1).