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FDG in Urologic Malignancies
Poul Flemming Høilund-Carlsen1, Mads Hvid Poulsen2, Henrik Petersen3
1Department of Nuclear Medicine, Odense University Hospital, Sønder Boulevard 29, Odense DK-5000, Denmark; Institute of Clinical Research, University of Southern Denmark, Winsløwparken 19, DK-5000, Odense, Denmark.
Abstract:
Kidney, bladder, and prostate cancer account for more than one-eighth of new cancer cases worldwide. Imaging in kidney cancer is dominated by computed tomography (CT). Positron emission tomography (PET) imaging of bladder cancer is hampered by the urinary excretion of the most common PET tracer, 18F-fluoro-deoxy-glucose (FDG). PET imaging has been applied more often in prostate cancer. FDG-PET/CT is claimed to have a high frequency of false-negative results in urologic cancers; however, this finding may instead reflect correctly the state of disease being due to slow-growing cancers with a good prognosis and without a need of therapy.
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