positron emission tomography

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Related to PET scanner: positron emission tomography

positron emission tomography:

see PET scanPET scan
or positron emission tomography
, a medical imaging technique that monitors metabolic, or biochemical, activity in the brain and other organs by tracking the movement and concentration of a radioactive tracer injected into the bloodstream.
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positron emission tomography

[′päz·ə‚trän i¦mish·ən tō′mäg·rə·fē]
(medicine)
A technique that uses measurements of the back-to-back emission of gamma rays from the annihilation of positrons emitted by radioactive tracers to map the distribution of these tracers in the human body. Abbreviated PET.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Its Attrius PET scanner, clinical services and ability is a perfect solution for all groups seeking to add cardiac PET to their practice.
EXPLORER would provide a solution, the researchers said, capturing almost all of the emitted photons and providing simultaneous coverage of the entire body, with a greater than 40-fold gain in effective sensitivity and a greater than 6-fold increase in signal-to-noise ratio compared with full-body imaging on conventional PET scanners.
Xie, "Evaluation of 3D image reconstruction methods for a dual-head small-animal PET scanner," in Proceedings of the IEEE Nuclear Science Symposium Conference Record (NSS '07), vol.
There are other issues as well, including the patient's body weight and the proper calibration of the PET scanner itself.
The PET scanner will be run by pan-European company Alliance Medical.
AOIC is also credited with bringing the first PET scanner to Alaska, which is used for the detection of brain disorders, cardiac disease and cancer.
They have been called the body's "natural painkillers." The drug is modified to allow it to be "seen" by the PET scanner, so that the researchers can create maps of the specific brain areas where the natural mu-opioids are more or less active at any given time.
The trailer, which houses a PET scanner and a CAT scanner, is fitted with 2 ft.
A 14-page glossary simplifies such terms as angstrom, wormhole, and PET scanner. Highly recommended for public and junior high school libraries.
For example, when a hospital considers the purchase of a new PET scanner, decision makers first project utilization needs, meaning they investigate whether there are sufficient numbers of patients to support the capital outlay.
Unlike standard techniques such as X-rays and MRI scans, which show body structures like bones and tissue, the PET scanner can highlight chemical and physiological changes in body function.
Scotland only has one PET scanner, the most advanced available, which is situated in Aberdeen