FDG was purchased commercially. All FDG-PET images were created using either a 3-dimensional GE Discovery 690 PET/CT scanner or a Siemens ECAT EXACT HR+ PET scanner. Each subject fasted for at least 6 h, resulting in a plasma glucose level less than 120 mg/dl (6.7 mM) at the time of the tracer administration. All patients were injected i.v. with a dose of 142 ± 8 MBq FDG as a slow bolus while sitting quietly in a room with a low noise level and dimmed light. A static emission frame was acquired from 30 to 60 min p.i. for the Siemens ECAT EXACT HR+ PET scanner, respectively from 30 to 45 min p.i. for the Discovery 690 PET/DT. For attenuation correction, a transmission scan with external 68Ge-sources (Siemens) or a low-dose CT was performed before the static acquisition. PET data were reconstructed iteratively (GE) or with filtered back-projection (Siemens).
68ge sources
Manufactured by Siemens
The 68Ge-sources are laboratory equipment used for the production and calibration of radioactive tracers. They serve as a source of the positron-emitting radionuclide Germanium-68, which can be used in various applications, such as the calibration of positron emission tomography (PET) imaging systems.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using 68ge sources
1
FDG-PET Imaging Protocol Standardization
2
FDG-PET Imaging Protocol for Neuro-Oncology
Check if the same lab product or an alternative is used in the 5 most similar protocols
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FDG was purchased commercially. FDG-PET images were acquired using a 3-dimensional GE Discovery 690 PET/CT scanner or a Siemens ECAT EXACT HR+ PET scanner. All patients fasted for at least six hours, and had a plasma glucose level <120 mg/dl (6.7 mM) at time of tracer administration, when a dose of 140 ± 7 MBq [18F]-FDG was injected as a slow intravenous bolus while the subject sat quietly in a room with dimmed light and low noise level. A static emission frame was acquired from 30 min to 45 min p.i. for the GE Discovery 690 PET/CT, or from 30 min to 60 min p.i. for the Siemens ECAT EXACT HR+ PET scanner. A low-dose CT scan (GE) or a transmission scan with external 68Ge-sources (Siemens) was performed prior to the static acquisition for attenuation correction. PET data were reconstructed iteratively (GE) or with filtered back-projection (Siemens).
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