Positron emission tomograph - Hutchinson encyclopedia article about Positron emission tomograph Printer Friendly
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positron emission tomography
(redirected from Positron emission tomograph)

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positron emission tomography

Imaging technique that enables doctors to observe the metabolic activity of the human body by following the progress of a radioactive chemical that has been inhaled or injected, detecting gamma radiation given out when positrons emitted by the chemical are annihilated. The technique has been used to study a wide range of conditions, including schizophrenia, Alzheimer's disease, and Parkinson's disease.



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