3.0t scanner

Manufactured by GE Healthcare

Sourced in United States

The 3.0T scanner is a magnetic resonance imaging (MRI) system manufactured by GE Healthcare. It operates at a magnetic field strength of 3.0 Tesla, which allows for high-quality imaging of the human body. The scanner is designed to provide detailed anatomical information to support clinical diagnosis and treatment planning.

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Lab products found in correlation

3.0 t scanner, by Philips (1 mentions) 1.5t scanner, by GE Healthcare (1 mentions) 8 channel head coil, by GE Healthcare (1 mentions) 16 channel phased array coil, by GE Healthcare (1 mentions)

Close spelling variants of this product

Signa HDxT 3.0T MRI scanner 3.0T GE MRI scanner Discovery MR750 3.0T scanner 3.0T HDXT scanner SIGNAPioneer 3.0T MR scanner SingaHDxt 3.0T magnetic resonance scanner 3.0T Discovery 750 scanner Achieva 3.0T scanner Signa HDxt 3.0T scanner Discovery MR750 3.0T MR scanner

23 protocols using 3.0t scanner

Structural and Functional Brain Imaging Protocol

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High-resolution structural imaging and resting-state functional data were acquired on a Siemens 3.0 T scanner for dataset 1 and a GE 3.0 T scanner for dataset 2 using protocols published previously (Cui et al., 2019 (link)). More details are shown in Supplementary Table 1. Those participants whose head motion exceeded more than 2.5 mm or 3.0° during resting-state functional MRI were detected and removed using our own Matlab scripts.

Liu L., Cui L.B., Xi Y.B., Wang X.R., Liu Y.C., Xu Z.L., Wang H.N., Yin H, & Qin W. (2019). Association Between Connectivity of Hippocampal Sub-Regions and Auditory Verbal Hallucinations in Schizophrenia. Frontiers in Neuroscience, 13, 424.

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Multi-Modal Brain Imaging Acquisition

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High-resolution structural and functional imaging was acquired on a Siemens 3.0 T scanner for dataset 1 and a GE 3.0 T scanner for dataset 2 using protocols published previously 9 . Dataset 1 and 2 were combined for the following analysis.

Cui L.B., Fu Y.F., Liu L., Wu X.S., Xi Y.B., Wang H.N., Qin W, & Yin H. (2021). Baseline structural and functional magnetic resonance imaging predicts early treatment response in schizophrenia with radiomics strategy. The European journal of neuroscience, 53(6).

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Dynamic Cervical MRI Protocol for Spinal Cord Injury

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Neutral static cervical MRI was first performed to confirm the spinal cord injury without fracture and dislocation. Therefore, neutral static and kinematic (flexion and extension) MRI scans were performed with a 3.0T scanner (GE Medical Systems, Milwaukee, WI, USA) under the supervision of a spinal surgeon. The image protocol included T1‐weighted and/or T2‐weighted sagittal fast spin echo (FSE) images that were obtained with the patient lying on a bed in neutral, flexion (−30°), and extension (15°) positions while being scanned with a 3.0T scanner (Fig. 1). The imaging protocol for T1‐weighted sagittal spin echo images included a repetition time of 860 ms, echo time 8 ms, thickness 3.0 mm, and matrix 216 × 512. The imaging parameters for sagittal FSE T2 included a repetition time of 2270 ms, echo time 116 ms, thickness 3.0 mm, and matrix 216 × 512. Positioning was achieved by placing several towels under the occipital bone for flexion and under the back and cervical spine for extension. The dynamic angles of flexion or extension were reduced if the patient felt any discomfort.

Bao Y., Zhong X., Zhu W., Chen Y., Zhou L., Dai X., Liao J., Li Z., Hu K., Bei K., Xiong Y., Hu Y., Zhao Q., Zhu Z., Yu Y., Wu Q, & Xi X. (2020). Feasibility and Safety of Cervical Kinematic Magnetic Resonance Imaging in Patients with Cervical Spinal Cord Injury without Fracture and Dislocation. Orthopaedic Surgery, 12(2), 570-581.

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3.0T Imaging for Coronal Hip Volumes

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A total of 764 coronal hip volumes were used in this project, including bilateral scans and multiple timepoints of 364 unique patients. Of these, 242 patient data were obtained from the LASEM FORCe dataset and 122 were part of the UCSF dataset. Images were acquired on a 3.0T Scanner (Philips, Eindhoven, The Netherlands) scanner at LASEM and a 3.0T Scanner (GE Healthcare, Milwaukee, WI) scanner at UCSF. The coronal sequences acquired that were used in this study are described in Table 1, and examples of both study site images are shown in Fig. 2.

Kim S.H., Azam T., Yoon D.Y., Reznikov L.L., Novick D., Rubinstein M, & Dinarello C.A. (2001). Site-specific mutations in the mature form of human IL-18 with enhanced biological activity and decreased neutralization by IL-18 binding protein. Proceedings of the National Academy of Sciences of the United States of America, 98(6), 3304-3309.

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Resting-state fMRI acquisition protocol

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All participants received the rs-fMRI scanning on a 3.0 T scanner (General Electric, FairfieldConnecticut, USA). They were informed to lay supine in the scanner with heads fixed with a foam padding and belt, keeping motionless with eyes closed. Echo planar imaging (EPI) was employed to acquire the resting-state functional images with the following parameters: repetition time/echo time (TR/TE) = 2000/30 ms 33 axial slices, 64 × 64 matrix, 90° flip angle, 22 cm FOV, 4 mm section thickness, no slice gap, and 240 volumes.

Zheng N., Ou Y., Li H., Liu F., Xie G., Li P., Lang B, & Guo W. (2023). Shared and differential fractional amplitude of low-frequency fluctuation patterns at rest in major depressive disorders with or without sleep disturbance. Frontiers in Psychology, 14, 1153335.

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Multimodal MRI Protocol for Brain Imaging

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MRI scans were performed on a 3.0 T scanner (GE HealthCare, USA). T1 images parameters: TR = 8.2 ms, TE = 3.2 ms, TI = 450 ms, slice thickness = 1.0 mm, gap = 0, flip angle = 12°, FOV = 256 × 256 mm², slice number = 166; T2 FLAIR images parameters: TE = 150 ms, TR = 9075 ms, TI = 2250 ms, FOV = 256 mm2, number of slices = 160; Diffusion-weighted imaging was acquired in the anterior-to-posterior phase-encoding direction, and b-values for non-zero gradient volumes were 1000 s/mm² along 32 gradient directions. Acquisition of each diffusion-weighted image was completed with a gradient-free image, and b-value for the reference volumes were 0. Images scanned in the opposite phase-encoding direction were also acquired to correct for distortions caused by susceptibility in the scans. The DTI sequences parameters were as follows: TR = 8000 ms, TE = 88.4 ms, matrix = 128 × 128, FOV = 256 × 256 mm, NEX = 1, slice thickness = 2 mm, gap = 0 and number of slices = 75.

Gu Y., Zhao P., Feng W., Xia X., Tian X., Yan Y., Wang X., Gao D., Du Y, & Li X. (2022). Structural brain network measures in elderly patients with cerebral small vessel disease and depressive symptoms. BMC Geriatrics, 22, 568.

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Multimodal MRI Protocol for Brain Imaging

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Multimodal MRI data were acquired using a GE 3.0 T scanner. Resting-state fMRI were collected using the following parameters: 43 oblique slices, thickness/gap = 3/0 mm, acquisition matrix = 64×64, TR = 2,000 ms, TE = 30 ms, flip angle = 90°, field of view = 22×22 mm², total volume = 300, acquisition time = 10 min. For the DTI data, the following acquisition parameters were used: 70 axial slices, TR = 8,500 ms, TE = 80.8 ms, 64 optimal non-linear diffusion-weighted directions with b = 1,000 s/mm2 and one additional image without diffusion weighting (i.e., b = 0 s/mm2), 2.0-mm slice thickness, acquisition matrix = 128×128; 2×2 mm in-plane resolution, acquisition time = 10:50 min.

Zou R., Li L., Zhang L., Huang G., Liang Z., Xiao L, & Zhang Z. (2022). Combining Regional and Connectivity Metrics of Functional Magnetic Resonance Imaging and Diffusion Tensor Imaging for Individualized Prediction of Pain Sensitivity. Frontiers in Molecular Neuroscience, 15, 844146.

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Magnetic Resonance Elastography of the Brain

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Studies were performed on a 3.0T scanner (GE Healthcare, Milwaukee, WI, USA) using a single-shot, flow-compensated, spin-echo EPI pulse sequence. Shear waves were introduced into the brain from an active driver engine located outside of the scan room through a soft pillow-like passive driver placed under the subject's head within an 8-channel receive-only head coil [20 (link)]. The frequency of vibration was 60 Hz and the MRE sequence was performed using the following parameters: TR/TE=3600/62 ms; field of view (FOV)=24 cm; BW=±250 kHz; 72×72 imaging matrix reconstructed to 80×80; 3x parallel imaging acceleration, frequency encoding in the anterior-posterior direction; 48 contiguous 3-mm-thick axial slices; one 4-G/cm 18.2-ms zeroth- and first-order moment nulled motion-encoding gradient on each side of the refocusing RF pulse synchronized to the motion; motion encoding in the positive and negative x, y and z directions; and 8 phase offsets sampled over one period of the 60 Hz motion (the acquisition time was under 7 minutes). The acquired images had 3-mm isotropic resolution.

Fattahi N., Arani A., Perry A., Meyer F., Manduca A., Glaser K., Senjem M.L., Ehman R.L, & Huston J. (2016). MR Elastography Demonstrates Increased Brain Stiffness in Normal Pressure Hydrocephalus. AJNR: American Journal of Neuroradiology, 37(3), 462-467.

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Resting-State fMRI Acquisition Protocol

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The rs-fMRI scanning was performed on a 3.0 T scanner (General Electric, Fairfield, Connecticut, USA). The participants were informed to lay supine in the scanner with their heads fixed with foam pads and a belt and remain motionless with eyes closed. Echo planar imaging (EPI) was used to acquire the resting-state functional images with the following parameters: repetition time/echo time (TR/TE) = 2000/30 ms, 33 axial slices, 64 × 64 matrix, 90° flip angle, 22 cm FOV, 4 mm section thickness, no slice gap, and 240 volumes.

Wang S., Wang G., Lv H., Wu R., Zhao J, & Guo W. (2016). Abnormal regional homogeneity as potential imaging biomarker for psychosis risk syndrome: a resting-state fMRI study and support vector machine analysis. Scientific Reports, 6, 27619.

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Contrast-Enhanced MRV for Intracranial Lesion Evaluation

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The indications for CE-MRV were suspicion of an intracranial lesion (eleven patients), and evaluation of lacunar cerebral infarction (thirteen patients). The patients who were diagnosed with intracranial lesion or cerebral venous diseases were excluded from our study. The coronary images were obtained using a standard head coil in a 3.0T scanner (General Electric, Milwaukee, USA). Paramagnetic contrast medium (Gd-DTPA, 20 ml of 0.1 mmol/kg solution; Amersham Health, Princeton, NJ, USA) was injected into a cubital vein at a rate of 2–3 ml/second. Sections of 1.4 mm thickness were obtained in the coronal plane using the following parameters: 3.2/1.3 (TR/TE), 60° flip angle, 240×240 mm field of view. All the images were transferred to the Advantage Windows 3D workstation for reconstruction. The 3D MRA images were obtained by the maximum pixel intensity projection method using Ph8/9 (SUB: Cor-Tricks-Asset). The mentioned characteristics of the intercavernous sinuses were measured and compared with the data from the cadavers.

Deng X., Chen S., Bai Y., Song W., Chen Y., Li D., Han H, & Liu B. (2015). Vascular Complications of Intercavernous Sinuses during Transsphenoidal Surgery: An Anatomical Analysis Based on Autopsy and Magnetic Resonance Venography. PLoS ONE, 10(12), e0144771.

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