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Positron-Emission Tomography

"Positron-Emission Tomography" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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An imaging technique using compounds labelled with short-lived positron-emitting radionuclides (such as carbon-11, nitrogen-13, oxygen-15 and fluorine-18) to measure cell metabolism. It has been useful in study of soft tissues such as CANCER; CARDIOVASCULAR SYSTEM; and brain. SINGLE-PHOTON EMISSION-COMPUTED TOMOGRAPHY is closely related to positron emission tomography, but uses isotopes with longer half-lives and resolution is lower.


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This graph shows the total number of publications written about "Positron-Emission Tomography" by people in this website by year, and whether "Positron-Emission Tomography" was a major or minor topic of these publications.
Bar chart showing 244 publications over 15 distinct years, with a maximum of 31 publications in 2013
To see the data from this visualization as text, click here.

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