All patients underwent 18F-FDG PET/CT examination at the nuclear medicine department. The FDG PET/CT studies were performed using a combined PET/CT machine (Discovery-16 LS; GE Healthcare, Waukesha, WI). All patients were imaged after fasting for a minimum of 6 hours except for water and medications. All patients were required to have <200 mg/dL blood glucose level prior to injection. 18F-FDG (5 MBq/kg) was injected intravenously. Whole body images from skull base to midthigh were obtained 60 ± 10 minutes after the injection (early images). Low-dose CT was performed for attenuation correction using the following parameters: 80 mA, 140 kV, and 5 mm slice thickness. PET images were obtained in 6-8 bed positions lasting 3 minutes each. The delayed imaging focusing on the liver was performed 135 ± 15 minutes after intravenous injection (delayed images) on the same scanner. PET images were reconstructed with and without correction for attenuation using an iterative algorithm then displayed for reading as sagittal, axial, and coronal views on Advantage Windows Workstation 4.5; GE Healthcare (GE Advantage, Buc, France).
Discovery 16 ls
Manufactured by GE Healthcare
Sourced in United States
The Discovery-16 LS is a laboratory equipment product from GE Healthcare. It is designed for spectroscopic analysis and imaging applications. The core function of the Discovery-16 LS is to perform high-resolution, multi-modal imaging and spectroscopy.
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Lab products found in correlation
2 protocols using discovery 16 ls
1
FDG PET/CT Imaging Protocol for Diagnostic Evaluation
2
Standardized 68Ga-DOTA-TATE PET/CT Imaging Protocol
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All 68Ga-DOTA-TATE PET/CT scans were conducted using a hybrid PET/CT scanner (Discovery- 16 LS; GE Healthcare, Waukesha, Wisconsin, USA) in the Nuclear Medicine Department. Iohexol (Omnipaque; GE Healthcare) was used as the oral contrast agent. 68Ga-DOTA-TATE (2 MBq/kg) was administered intravenously. Whole-body images from skull base to mid-thigh were acquired 60±10 minutes after the injection. A low-dose 16-slice multidetector CT scan (parameters: 80 mA, 140 kV, table speed 27 mm/rotation, and slice width of 5.0 mm) was used to screen the body from mid-thigh to the base of the skull. A standard whole-body PET scan was conducted in 3D mode with an acquisition time of 3 min per bed position (six to eight bed positions) scanning the exact area with the CT scan. PET images were reconstructed with and without correction for attenuation using an iterative algorithm. Next, a workstation (Advantage Windows Workstation 4.6; GE Advantage) was used for processing and interpretation.
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