Positron emission tomography/Definition
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Positron emission tomography [r]:
A medical 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.
This definition is at least in part based on: Anonymous (2023), Positron emission tomography (English). Medical Subject Headings. U.S. National Library of Medicine.