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A PET scan stands for Positron Emission Tomography. It is a type of nuclear medicine medical imaging technique, that is capable of producing a three dimensional image or the map of functional processes in the body.
To conduct a pet scan a short lived radioactive tracer isotope has to be chemically incorporated in to a metabolically active molecule, this isotope decays by emitting a positron. The molecule is injected into the living subject, normally in its blood circulation. The there is the waiting period, in this period the metabolically active molecule becomes more concentrated in the tissues of interest.
To conduct a pet scan a short lived radioactive tracer isotope has to be chemically incorporated in to a metabolically active molecule, this isotope decays by emitting a positron. The molecule is injected into the living subject, normally in its blood circulation. The there is the waiting period, in this period the metabolically active molecule becomes more concentrated in the tissues of interest.
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