Positron emission tomography
From Citizendium, the Citizens' Compendium
This is a lemma article, containing just a definition. Click here to create the metadata page if you want to expand this into a full-fledged article.
Positron emission tomography:
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.National Library of Medicine

