Images were acquired on a General Electric (Fairfield, CT) SIGNA 3.0 tesla high-speed MRI scanner at the Waisman Brain Imaging Core with a standard clinical whole-head transmit-receive quadrature head coil. Functional images were acquired using a T2*-weighted gradient-echo, echo planar imaging (EPI) pulse sequence [30 sagittal slices, 4 mm thickness with 1 mm gap; 3.75 × 3.75 mm in-plane (64 × 64 voxels); FOV = 240; repetition time (TR)/echo time (TE)/Flip, 2000 ms/30 ms/60°; 262 whole-brain volumes per run]. Functional images were collected in five runs of approximately 8 min each. Immediately following the functional scans, a high-resolution T1-weighted anatomical image was acquired (T1-weighted inversion recovery fast gradient echo; 256 × 256 in-plane resolution; 240 mm FOV; 124 × 1.1 mm axial slices).
Signa 3.0 tesla
Manufactured by GE Healthcare
The SIGNA 3.0 tesla is a magnetic resonance imaging (MRI) system manufactured by GE Healthcare. It operates at a magnetic field strength of 3.0 tesla, which enables high-resolution imaging of the body's internal structures.
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Lab products found in correlation
3 protocols using signa 3.0 tesla
1
High-Field MRI Functional Neuroimaging
2
Neuroimaging Protocol for BOLD Signal Acquisition
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Neuroimaging data for the current study were collected on a GE SIGNA 3.0 Tesla high-speed MRI scanner with a standard clinical whole-head transmit–receive quadrature head coil. The blood oxygen level-dependent (BOLD) signal was acquired using a T2*-weighted gradient-echo echo-planar imaging (EPI) pulse sequence across five runs of approximately 8 min each. Each EPI acquired 30 sagittal slices that used the following parameters: TR = 2000 ms, TE = 30 ms, flip angle = 60°, field of view = 240 mm, acquisition matrix = 64 × 64 and 4 mm slice thickness with 1 mm gap. A T1-weighted anatomical image was also collected using a T1-weighted inversion recovery fast gradient echo with the following parameters: acquisition matrix = 256 × 256 and a field of view = 240 mm, with 124 × 1.1 mm axial slices.
3
Simultaneous PET/MRI for Prostate Imaging
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Whole-body and dedicated regional PET/MRI images of the prostate were acquired on a GE SIGNA 3.0 Tesla PET/MRI scanner. Whole-body magnetic resonance sequences included axial T1 fat-saturated, sagittal T1 non–fat saturated, and T2 weighted images. PET/MRI acquisition was simultaneous and included a total of 6 bed positions with 5-minute PET acquisition per bed position. The dedicated prostate PET/MRI protocol was performed per institutional protocol and included the essential components of multiparametric prostate MRI: diffusion-weighted images (up to b2000), small field-of-view T2-weighted images (axial, sagittal, and coronal), and dynamic contrast-enhanced images of the prostate gland. A delayed regional PET acquisition was performed during acquisition of the prostate MRI. The PET/MRI images were analyzed using MIM (Cleveland, OH), and the PET/MRI scans were extracted to DICOM files for integration into the Varian Eclipse software.
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