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This study aims to use total-body FDG PET/CT scans of individuals with lymphoma to compare the differences in global uptake in metabolically active lymph nodes between early and delayed acquisitions.

Data from FDG-PET/CT scans performed at the University of California, Davis from 20 patients referred for initial staging of lymphoma - age 12 to 74.9 years (mean = 44.12 ± 19.70 years; males = 9; females = 11) were analyzed. It included 40 scans conducted 60 and 120 minutes following intravenous injection of 8 mCi of FDG. Out of 20 patients, 10 patients had non-Hodgkin’s lymphoma (NHL), and the remaining 10 had Hodgkin’s lymphoma (HL). Of 20 patients, 2 patients were excluded from the study as the lesions were not large enough to be appreciated and quantified on the software used in this study. FDG-PET/CT scans taken at 60 minutes and 120 minutes were examined by …