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Figure 1. Anterior view of normal 18F-FDG distribution. Note uptake in myocardium, bladder, kidneys and bone marrow. GI activity is seen in the right lower quadrant. (Courtesy of ADAC Labs and Dr. D. Froehling, Karlsruhe, Germany.)

Note the visualization of the brain, heart and bladder; the kidneys, bone marrow and GI tract are faintly seen. Patient preparation is key to successful FDG imaging. False positive uptake may be seen in sites of inflammation and granuloma.

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