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PET scan
PET scan Positron emission tomography scan. A diagnostic test that uses a sophisticated camera and computer to produce images of how your body is functioning. PET scans show the difference between healthy and abnormally functioning tissues.
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Tomography
From the Greek words "to cut or section" (tomos) and "to write" (graphein), in nuclear medicine, it is a method of separating interference from the area of interest by imaging a cut section of the object.
Diagnostic
Pertaining to a diagnosis; usually refers to a characteristic or criteria which is critical for a specific diagnosis.
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PET scan
PSA
Prostate specific antigen. A protein which comes from the prostate gland. The PSA test, which measures the levels of prostate specific antigen in the blood, is one test for prostate cancer.
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Paralysis of a muscle or group of muscles
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