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Ge 3t discovery mr750 scanner

Manufactured by GE Healthcare
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Sourced in Germany, United States

The GE 3T Discovery MR750 scanner is a magnetic resonance imaging (MRI) system that uses a 3-Tesla superconducting magnet to capture high-resolution images of the human body. It is designed to provide advanced imaging capabilities for a wide range of clinical applications.

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Gadovist, by Bayer (1 mentions)

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Discovery 3T GE-MR750 GE MR750 3T scanner Discovery MR750 3T scanner GE Discovery MR750 scanner 3T Discovery MR750 GE Discovery MR750 MR750 3T scanner GE MR750 scanner Discovery MR750 scanner 3T GE scanner

4 protocols using ge 3t discovery mr750 scanner

1

Multimodal Brain MRI Protocol

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Routine MRIs for the evaluation of the BMs were acquired using the Siemens 3T Vida scanner (Siemens Healthineers, Erlangen, Germany) or the GE 3T Discovery MR750 scanner (GE Healthcare, Milwaukee, WI, USA). Our BM MRI protocol consisted of T1-weighted image (T1WI), T2-weighted image (T2WI), FLAIR, contrast-enhanced T1WI, and BB T1WI. Contrast-enhanced images were acquired after administering gadobutrol (0.2 mmol/kg; Gadovist, Bayer Schering Pharma; Berlin, Germany). Detailed MR parameters are provided in Supplementary Material S2.
Son S., Joo B., Park M., Suh S.H., Oh H.S., Kim J.W., Lee S., Ahn S.J, & Lee J.M. (2024). Development of RLK-Unet: a clinically favorable deep learning algorithm for brain metastasis detection and treatment response assessment. Frontiers in Oncology, 13, 1273013.
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2

Nerve Imaging at Different Resolutions

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To compare structural details at different resolutions, we acquired images of the tibial nerve at the ankle with different resolutions. Next, we compared the depiction of nerves in different extremities on ultra-high-resolution images at 3T and 7T. For imaging, we used a 3D gradient-spoiled sequence25 (link). We tested four different flip angles (5°, 10°, 15°, 20°) at 3T and 7T to determine the flip angle yielding the highest signal-to-noise-ratio (SNR) in the nerve region with the minimum repetition time (TR). 10° produced the highest SNR at both 7T and 3T, and was adopted for all experiments. The two-point Dixon method26 (link) was employed to obtain water-only nerve images. Imaging was conducted on a GE 7T Discovery MR950 scanner and a GE 3T Discovery MR750 scanner (GE Healthcare, Waukesha, USA). All volunteers signed an informed consent form approved by the institutional review board.
Yoon D., Biswal S., Rutt B., Lutz A, & Hargreaves B. (2017). Feasibility of 7T MRI for Imaging Fascicular Structures of Peripheral Nerves. Muscle & nerve, 57(3), 494-498.
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3

Neuroimaging Protocol for Smoking Cue Reactivity

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MRI will take place at the CAMH Research Imaging Centre with a GE Discovery MR750 3T Scanner (General Electric Medical Systems, Milwaukee, WI). Scans will be conducted using echo-planar imaging sequences (TE = 2650, 49 slices, whole brain, 3 mm isotropic voxels) and with a 32-channel head-coil for the smoking cue reactivity task (functional scan). Diffusion tensor imaging (DTI) will also be conducted with 30 directions. For structural scan acquisitions, T1 sequencing will be conducted with 0.9mm isotropic voxels. Resting state functional connectivity will be conducted using EPI sequences (TE = 2250, 42 slices, whole brain, 3.5 mm isotropic voxels).
Zawertailo L., Zhang H., Rahmani N., Rajji T.K, & Selby P. (2022). Active versus sham transcranial direct current stimulation (tDCS) as an adjunct to varenicline treatment for smoking cessation: Study protocol for a double-blind single dummy randomized controlled trial. PLOS ONE, 17(12), e0277408.
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4

Resting-State fMRI and Structural MRI Acquisition

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MRI scans were acquired with a GE Discovery MR750 3 T scanner (General Electric) equipped with an Invivo HD 8 channel high resolution head coil. A 6 minute resting-state echo-planar imaging (EPI) scan was acquired for each participant with 35axial slices; slice thickness = 4 mm; TR = 1800 ms; TE = 30 ms; flip angle 70°; matrix 64 × 64; FOV 24 cm; 200 volumes. Participants were instructed to rest quietly with their eyes open while focusing on a fixation point on a screen. High resolution IR-Prepped 3 FSPGR T1-weighted anatomical images with 166 contiguous axial 1.2 mm thick slices were also acquired (TR = 7.38 ms; TE = 2.984 ms; flip angle 8°; matrix 256 × 192; FOV 24 cm).
Arienzo D., Happer J.P., Molnar S.M., Alderson-Myers A, & Marinkovic K. (2020). Binge drinking is associated with altered resting state functional connectivity of reward-salience and top down control networks. Brain imaging and behavior, 14(5), 1731-1746.
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