Abstract
Colorectal cancer is the second most prevalent cancer in the United States. Even after apparently curative resection, recurrences occur up to 40 %, usually within the first 2 to 3 years after surgery. Only 20%-30% of these patients are eligible for curative surgery. Various imaging modalities are used in the follow-up. PET/CT scanners combining in-line PET and CT cameras are new devices with considerable diagnostic potential. 18F-2-fluoro-2-desoxy-D-glucose (FDG-PET has been reported to be accurate in the imaging of colorectal cancer, especially for evaluation and restaging of cancer recurrences.
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