positron emission tomography

Synonyms:
  • PET
German: Positronen-Emissions-Tomographie
Japanese: ポジトロンエミッション断層法

Radiology. A highly specialised research imaging technique using short lived radioactive substances and detecting photons from annihilation of positrons. Shows the uptake and distribution of the substances in the tissue, permitting analysis and localization of metabolic and physiological function, especially in brain.

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