Signa hdxt 3.0 tesla scanner

Manufactured by GE Healthcare

Sourced in United States

The Signa HDxt 3.0 Tesla scanner is a magnetic resonance imaging (MRI) system manufactured by GE Healthcare. It operates at a magnetic field strength of 3.0 Tesla, providing high-resolution imaging capabilities. The core function of the Signa HDxt 3.0 Tesla scanner is to generate detailed images of the body's internal structures and organs through the use of strong magnetic fields and radio waves.

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Lab products found in correlation

8 channel high resolution brain coil, by GE Healthcare (3 mentions) Magnetom trio tim 3.0 tesla scanner, by Siemens (2 mentions) Eight channel head coil, by GE Healthcare (1 mentions)

Close spelling variants of this product

Signa HDxt (563 citations) Signa scanner (128 citations) Signa HDxt scanner (33 citations) 3 Tesla scanner (20 citations) 3.0 Tesla scanner (16 citations) Signa 3 Tesla scanner (8 citations) 3.0 Tesla (6 citations) SIGNA 3.0 tesla (3 citations) Scanners (2 citations)

6 protocols using signa hdxt 3.0 tesla scanner

Functional MRI Acquisition Protocol

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T2*‐weighted BOLD images were acquired on a General Electric Signa HDxt 3.0 Tesla scanner (GE Healthcare, Waukesha, WI) with an 8‐channel High Resolution Brain Coil. Anatomical images were acquired using a magnetization‐prepared rapid gradient‐echo sequence. A single‐shot gradient‐echo echo planar imaging (EPI) sequence was used for functional imaging: the acceleration factor of Array Spatial Sensitivity Encoding Technique = 2, repetition time = 2000 ms, echo time = 30 ms, flip‐angle = 90°, 64 × 64 matrix, field of view = 227 mm, four dummy scans. 40 interleaved sagittal slices with a thickness of 4 mm were used to cover whole brain.

Liu S., Erkkinen M.G., Healey M.L., Xu Y., Swett K.E., Chow H.M, & Braun A.R. (2015). Brain activity and connectivity during poetry composition: Toward a multidimensional model of the creative process. Human Brain Mapping, 36(9), 3351-3372.

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Functional MRI Imaging of Brain BOLD Signal

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T2*-weighted blood oxygen level-dependent (BOLD) images were acquired on a General Electric Signa HDxt 3.0 Tesla scanner (GE Healthcare, Waukesha, WI) with an 8-channel High Resolution Brain Coil. Anatomical images were acquired using a magnetization-prepared rapid gradient-echo sequence (MPRAGE). A single-shot gradient-echo echo planar imaging (EPI) sequence was used for functional imaging (TR=2.7s, TE=28ms, 3.75 x 3.75mm). 40–46 interleaved axial slices with thickness of 3 mm were used to cover the whole brain.

Loeb F.F., Zhou X., Craddock K.E., Shora L., Broadnax D.D., Gochman P., Clasen L.S., Lalonde F.M., Berman R.A., Berman K.F., Rapoport J.L, & Liu S. (2017). Reduced Functional Brain Activation and Connectivity During a Working Memory Task in Childhood-Onset Schizophrenia. Journal of the American Academy of Child and Adolescent Psychiatry, 57(3), 166-174.

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Anatomical MRI Segmentation Protocol

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T1-weighted post-contrast images were used as anatomical guides for the segmentation of the regions of interest (ROIs). MRI was performed on a Siemens MAGNETOM Trio TIM 3.0 Tesla scanner (Siemens Medical Solutions, Malvern, Pennsylvania), a GE Signa HDxt 3.0 Tesla scanner (GE Medical Systems, Milwaukee, Wisconsin), or a Philips Achieva TX 3.0 Tesla scanner (Philips Medical Systems, Da Best, The Netherlands), using similar parameters on all scanners.

Kamson D.O., Lee T.J., Varadarajan K., Robinette N.L., Muzik O., Chakraborty P.K., Snyder M., Barger G.R., Mittal S, & Juhász C. (2014). Clinical significance of tryptophan metabolism in the non-tumoral hemisphere in patients with malignant glioma. Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 55(10), 1605-1610.

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Functional Imaging with 3T MRI Scanner

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T2*-weighted BOLD images were acquired on a General Electric (GE) Signa HDxt 3.0 Tesla scanner (GE Healthcare, Waukesha, WI, USA) with an 8-channel High Resolution Brain Coil. Anatomical images were acquired using a magnetization-prepared rapid gradient-echo (MPRAGE) sequence. A single-shot gradient-echo EPI sequence was used for functional imaging: the acceleration factor of ASSET (Array Spatial Sensitivity Encoding Technique) = 2, TR (repetition time) = 2000 ms, TE (echo time) = 30 ms, flip-angle = 90°, 64×64 matrix, FOV (field of view) = 227 mm, 4 dummy scans. 40 interleaved sagittal slices with a thickness of 4 mm were used to cover whole brain.

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Resting-state fMRI Acquisition in Healthy Subjects

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Images were acquired using a GE Signa Hdxt 3.0-Tesla scanner (General Electric Medical Systems, Milwaukee, WI, USA) with a standard eight-channel head coil; the scanner was located at the First Affiliated Hospital of Chongqing Medical University. Foam padding was used to minimize head motion and machine noise. Each participant was instructed to lie down and relax, to keep their eyes closed, to stay awake and to avoid performing specific cognitive tasks. Conventional T1-weighted images (using fast spin echo (FSE), repetition time/echo time (TR/TE) = 500 ms/14 ms, thickness/gap = 5.0/0 mm, flip angle = 45°, NEX = 1, field of view (FOV) = 24×24 cm, and matrix = 256×126) and high-resolution 3D T1 images (using fast gradient echo (FGRE), TR/TE = 24 ms/9 ms, flip angle = 90°, thickness/gap = 1.0/0 mm, FOV = 24×24 cm, and matrix = 256×256) were acquired. rs-fMRI images were obtained using an echo-planar image (EPI) pulse sequence with the following parameters: 33 axial slices, TR/TE = 2000/40 ms, matrix = 64×64, flip angle = 90°, FOV = 240×240 mm², thickness/gap = 4.0/0 mm. A total of 240 time points were axially recorded over 8 min. No obvious structural damage was found, and none of the subjects felt discomfort during or after the procedure.

Zhang S., Chen J.M., Kuang L., Cao J., Zhang H., Ai M., Wang W., Zhang S.D., Wang S.Y., Liu S.J, & Fang W.D. (2016). Association between abnormal default mode network activity and suicidality in depressed adolescents. BMC Psychiatry, 16, 337.

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Diagnostic MRI Protocols for AMT-PET Studies

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Diagnostic MRIs with routine T1, T2, fluid attenuated inversion recovery (FLAIR), and post-contrast T1 (T1-Gad) sequences acquired closest in time to the AMT-PET were used in this study. MRI was performed on a Siemens MAGNETOM Trio TIM 3.0 Tesla scanner (Siemens Medical Solutions, Malvern, Pennsylvania), a GE Signa HDxt 3.0 Tesla scanner (GE Medical Systems, Milwaukee, Wisconsin), or a Philips Achieva TX 3.0 Tesla scanner (Philips Medical Systems Inc., Da Best, the Netherlands), using similar parameters on all scanners.

Bosnyák E., Michelhaugh S.K., Klinger N.V., Kamson D.O., Barger G.R., Mittal S, & Juhász C. (2017). Prognostic Molecular and Imaging Biomarkers in Primary Glioblastoma. Clinical nuclear medicine, 42(5), 341-347.

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