Ge discovery pet ct scanner

Manufactured by GE Healthcare

The GE Discovery PET/CT scanner is a diagnostic imaging device that combines positron emission tomography (PET) and computed tomography (CT) technologies. It is designed to capture and integrate functional and anatomical data to aid in the detection, diagnosis, and monitoring of various medical conditions.

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Lab products found in correlation

Achieva 3.0t, by Philips (1 mentions)

Close spelling variants of this product

GE Discovery LS PET/CT scanner GE Discovery STE Whole Body PET/CT scanner GE Discovery MI PET/CT scanner GE Discovery VCT PET/CT scanner GE Discovery 710 PET-CT scanner GE Discovery 690 PET/CT scanner GE Discovery STE PET/CT scanner GE PET-CT DSTe scanner (GE Discovery STE, PET/CT Discovery scanner PET/CT scanner

4 protocols using ge discovery pet ct scanner

Multimodal Imaging Protocol for Bone Disorders

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Ethical review and approval were waived for this study due to its retrospective nature. Informed consent has been waived for most patients except for those whose medical images were used in the current study. Bone SPECT was acquired 3–3.5 h after intravenous administration of radiotracer technetium

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Tc methylene diphosphonate (

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Tc-MDP) (7.4 MBq/kg). All hybrid SPECT/CT examinations were obtained on a GE Discovery NM/CT 670 (GE Healthcare, GE Medical Systems Israel, Hafa, Israel) scanner. These hybrid SPECT/CT images integrated the functional images of SPECT with precise anatomical detail of multi-slice high-resolution CT. Imaging data were reconstructed by incorporating two powerful software packages: Volumetrix 3D and Volumetrix IR. MRI examinations were obtained on a 3T scanner (Achieva 3.0T; Philips Healthcare, Best, The Netherlands).

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F-FDG PET/CT scanning was performed after an intravenous injection of 3–4 MBq/kg

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F-FDG, followed by a one hour uptake phase. No intravenous contrast agent was administered.

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F-FDG PET/CT imaging was performed using a dedicated GE Discovery PET/CT scanner including 64 slice CT scanners with a dedicated PET (BGO plus crystal).

Sun Z, & Shen C. (2022). Differential Diagnosis of Rare Diseases Involving Bilateral Lower Extremities with Similar 99mTc-MDP Bone Scan Patterns: Analysis of a Case Series. Diagnostics, 12(4), 910.

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PET/CT Imaging Protocol for Radiotherapy

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All patients underwent PET/CT imaging for radiation treatment planning prior to radiotherapy. Regarding the imaging protocol, following an 8 h fast, patients were injected with 10–18 mCi of FDG, with imaging 60 min later on a GE Discovery PET/CT scanner (GE Medical Systems, Milwaukee, WI). CT images were collected in the helical acquisition mode. In the same scan locations and generally spanning around seven-bed positions, PET data were acquired in 2D mode, with 3 to 5 min of acquisition time per bed position. The PET images were then reconstructed with an ordered set expectation maximization algorithm, with the CT data for attenuation correction. A separate non-contrast enhanced CT scan was performed at the end of the natural exhale. The complete PET/CT examination requires approximately one and a half hours, including patient setup, tracer uptake, and image acquisition. The spatial resolution of the original PET image was 2.34 × 2.34 × 3.27 mm³ and the spatial resolution of the original CT image was 0.98 × 0.98 × 1.25 mm³.

Wu J., Gensheimer M.F., Dong X., Rubin D.L., Napel S., Diehn M., Loo BW J.r, & Li R. (2016). Robust Intratumor Partitioning to Identify High-Risk Subregions in Lung Cancer: A Pilot Study. International journal of radiation oncology, biology, physics, 95(5), 1504-1512.

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Lung Cancer Imaging Protocol with 4DCT and FB-PET/CT

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Three lung cancer patients were enrolled in this study under a retrospective protocol approved by the Institutional Review Board of Medical College of Wisconsin (PRO00036446). 4DCT and FB-PET/CT images were acquired from these patients on a SOMATOM CT scanner and a GE Discovery PET/CT scanner (GE Healthcare, Waukesha, WI), respectively. The acquired 4DCT has an in-plane voxel resolution of 1.1 × 1.1 mm²/pixel and a slice thickness of 3.0 mm. The FB-PET images have an in-plane voxel spacing between 2.7 and 5.2 mm and a slice thickness between 3.2 and 4.0 mm. To improve computational efficiency, regions outside patient contours were cropped out from all PET and CT images. The 4DCT images were deformably registered from either the end-of-inhalation (EI) or end-of-exhalation (EE) phase to other phases. The resultant deformation vector fields were assigned to the domain of PET images using a trilinear interpolation method and then employed in the BID method to convert FB-PET images to MF images.

Zhong H., Ren L., Lu Y, & Liu Y. (2023). On the correction of respiratory motion-induced image reconstruction errors in positron-emission tomography-guided radiation therapy. Physics and Imaging in Radiation Oncology, 26, 100430.

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FDG-PET/CT Imaging Protocol for Head, Neck, and Thorax

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All subjects were instructed to fast for 6 h before the FDG-PET/computed tomography (CT) study and blood glucose levels were <150 mg/dL at the time of FDG injection. Imaging was performed on a GE Discovery PETCT scanner (GE Healthcare). The CT images were acquired first at 45 min after FDG (370 MBq) injection using an 8-slice (140 keV, 40-120 mAs adjusted to body weight; section width of 5 mm). No intravenous or oral contrast materials were used. Emission PET images of the head, neck, and thorax were then acquired for 4 min/frame in a two-dimensional mode. Attenuation-corrected PET images (voxel size, 4.3 □ 4.3 □ 3.9 mm³) were reconstructed using CT data using an ordered-subsets expectation-maximization algorithm (28 subsets, 2 iterations).

Rane S., Thachathodiyl R., Palaniswamy S.S., Menon J.C, & Sudevan R. (2022). Fluorodeoxyglucose-positron emission tomography (FDG-PET) of carotid arteries and non-alcoholic fatty liver disease (NAFLD): An analytical cross-sectional study from a teaching hospital, Kerala, South India. Journal of Family Medicine and Primary Care, 11(7), 3766-3770.

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