" /> positron emission tomography - CISMeF





Preferred Label : positron emission tomography;

Definition : 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. SPECT is closely related to PET, but uses isotopes with longer half-lives and resolution is lower. [MeSH];

RADLEX acronyms : PET;

UMLS CUI (RADLEX) : C0032743;

Source : Playbook;

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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. SPECT is closely related to PET, but uses isotopes with longer half-lives and resolution is lower. [MeSH]

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30/06/2025


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