PET scan
Medical term · P
Abbreviation for positron emission tomography, a medical imaging test that uses a radioactive substance to assess organ and tissue function in the body and to look for disease.
Related terms
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Positron emission tomographyA medical imaging test that uses a radioactive substance to assess organ and tissue function in the body and to look for disease. Commonly called a PET scan.
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EmissionThe discharge or release of a substance, usually a fluid.
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DiseaseAn abnormal condition in the body causing harm.
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TissueA group of cells that are specialized to do a certain job and are joined together to form a body structure, such as muscle or kidney.