18F-FDG PET/CT Imaging Protocol

All ¹⁸F-FDG PET/CT imaging was performed using Discovery VCT scanners and Discovery STe scanners (GE Medical Systems, Milwaukee, WI, USA) at Yeungnam University Medical Center and Samsung Medical Center, respectively. PET/CT scans were acquired after a single FDG injection. Patients fasted for 6 hours before the ¹⁸F-FDG injection (serum glucose level <140 mg/dL). FDG dose was corrected for body mass index, and approximately 5.5 MBq/kg of FDG was administered intravenously. Uptake of ¹⁸F-FDG on PET/CT was visually interpreted as positive or negative by comparing the foci of increased metabolic activity between normal surrounding tissues and tumor tissue (12 (link)).

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Cho C.W., Kim J.M., Lee B.H., Lee D.S., Yun S.S., Choi G.S, & Joh J.W. (2020). Clinical impact of anatomical resection on long-term outcomes after hepatectomy for primary solitary hepatocellular carcinoma with or without preoperative positron emission tomography positivity. Annals of Translational Medicine, 8(21), 1377.

Publication 2020

Discovery STe scanners

18f fdg Body mass index Glucose Patients Pet ct Serum Tissue Tumor

Corresponding Organization : Samsung Medical Center

Other organizations : Yeungnam University

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Variable analysis

independent variables

Type of PET/CT scanner (Discovery VCT and Discovery STe scanners)

dependent variables

Visual interpretation of 18F-FDG uptake on PET/CT as positive or negative

control variables

Fasting duration before 18F-FDG injection (6 hours)
Serum glucose level (<140 mg/dL)
FDG dose corrected for body mass index (approximately 5.5 MBq/kg)
Single FDG injection

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