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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.
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Entry Terms:
  • PET (positron-emission tomography)
  • positron emission tomography
  • PET scan
  • PET imaging
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RDF/XMLCreated 2011-08-01, last modified 2015-04-08