201Tl SPECT MPI were reconstructed by OSEM (ordered subsets‐expectation maximization) reconstruction and defined the central of left ventricular (LV) axis and selected myocardium for the reconstruction of short‐axis views, long‐axis vertical views and long‐axis horizontal views of the LV in Myovation software (GE Healthcare, Xeleris 4.0 workstation). The SPECT MPI images underwent a comprehensive quantitative analysis using the state‐of‐the‐art QGS/QPS software (QGS/QPS; Cedars‐Sinai Medical Center). The WM, WT, end‐diastolic perfusion (EDP), and end‐systolic perfusion (ESP) were calculated by using QGS. SPECT images were displayed in the 20‐segment model of the AHA.
Xeleris 4.0 workstation
Manufactured by GE Healthcare
Sourced in United States
The Xeleris 4.0 workstation is a software platform designed for medical imaging and data analysis. It provides a centralized hub for managing and processing medical imaging data, including SPECT, PET, and CT scans. The workstation offers tools for image visualization, quantification, and report generation to assist healthcare professionals in their clinical decision-making.
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Lab products found in correlation
3 protocols using xeleris 4.0 workstation
1
Quantitative SPECT Myocardial Perfusion Imaging
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201Tl SPECT MPI were reconstructed by OSEM (ordered subsets‐expectation maximization) reconstruction and defined the central of left ventricular (LV) axis and selected myocardium for the reconstruction of short‐axis views, long‐axis vertical views and long‐axis horizontal views of the LV in Myovation software (GE Healthcare, Xeleris 4.0 workstation). The SPECT MPI images underwent a comprehensive quantitative analysis using the state‐of‐the‐art QGS/QPS software (QGS/QPS; Cedars‐Sinai Medical Center). The WM, WT, end‐diastolic perfusion (EDP), and end‐systolic perfusion (ESP) were calculated by using QGS. SPECT images were displayed in the 20‐segment model of the AHA.
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201Tl SPECT MPI were reconstructed by OSEM (ordered subsets‐expectation maximization) reconstruction and defined the central of left ventricular (LV) axis and selected myocardium for the reconstruction of short‐axis views, long‐axis vertical views and long‐axis horizontal views of the LV in Myovation software (GE Healthcare, Xeleris 4.0 workstation). The SPECT MPI images underwent a comprehensive quantitative analysis using the state‐of‐the‐art QGS/QPS software (QGS/QPS; Cedars‐Sinai Medical Center). The WM, WT, end‐diastolic perfusion (EDP), and end‐systolic perfusion (ESP) were calculated by using QGS. SPECT images were displayed in the 20‐segment model of the AHA.
2
PET/CT imaging of IPN and metastases
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18F-FDG and 18F-FSPG PET/CT studies were reviewed independently by two dual-trained diagnostic radiology and nuclear medicine physicians blinded to each other’s interpretation. A third radiologist was available for ties, but this was not necessary. Maximum standardized uptake values (SUVmax) were normalized to lean body mass and measured with a 1 cm diameter round region of interest over the area of greatest uptake in the lesion being measured. Regions of interest were drawn around the IPNs as well as any suspicious areas of metastasis. SUVmax values from the IPNs, metastases and blood pool in the ascending aorta were recorded. These measurements were performed by using Xeleris 4.0 workstation hardware and software from GE Healthcare, Waukesha, MI, USA.
3
Jaszczak Phantom SPECT Imaging Evaluation
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The acquisition instrument was Discovery NM/CT870 (GE Healthcare, USA), which was composed of two CZT semiconductor detectors and could be arranged in multiple angles. Each detector consisted of 10 × 13 CZT modules, with each module including 16 × 16 CZT pixel units, and was equipped with wideenergy high-resolution collimators aligned with the pixel array. The image was processed using a Xeleris 4.0 workstation (GE Healthcare, USA).
The phantom used was the Jaszczak phantom (Deluxe ECT Phantom, Model ECT/DLX/P, Data Spectrum Corporation, USA), which was divided into a uniform area (background area) and a cold area (defect area). There were no plug-ins in the uniform zone, and there were six solid ball plug-ins in the cold zone (their diameters were 31.8, 25.4, 19.1, 15.9, 12.7, and 9.5 mm).
The background area of the phantom was lled with water and injected with 99m TCO 4 -solution 480 MBq (speci c activity: 0.069 MBq/mL). After full concussion, the phantom was placed for 2 h, so that the solution in the phantom was fully mixed.
The phantom used was the Jaszczak phantom (Deluxe ECT Phantom, Model ECT/DLX/P, Data Spectrum Corporation, USA), which was divided into a uniform area (background area) and a cold area (defect area). There were no plug-ins in the uniform zone, and there were six solid ball plug-ins in the cold zone (their diameters were 31.8, 25.4, 19.1, 15.9, 12.7, and 9.5 mm).
The background area of the phantom was lled with water and injected with 99m TCO 4 -solution 480 MBq (speci c activity: 0.069 MBq/mL). After full concussion, the phantom was placed for 2 h, so that the solution in the phantom was fully mixed.
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