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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. 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. [ Articles | Books | Images | Discussion groups ]
Additional comments : (PET Scan)

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