How a PET or CT Scan Works (873 words, 4 pages)
PETCT (Positron Emission TomographyComputed Tomography) is a non-invasive diagnostic imaging procedure that has been increasingly utilized in many oncologic applications. Patients undergoing PETCT studies are injected with a radiotracer, which accumulates in certain normal and abnormal structures. Currently, 18F 2- fluoro-2 deoxy D- glucose (18F- FDG), a glucose analogue, is ...
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