We acquired a T1 MPRAGE high resolution MRI for each subject with a Siemens Symphony 1.5T MR scanner (160 sagittal slices; matrix size 256 × 256, resampled to 512 × 512; TR = 1,700 ms; TE = 3.96 ms; FOV = 246 mm; FA = 15°; slice thickness = 1.17 mm; native in plane resolution = 0.96 mm). Eight images were discarded due to severe motion artifacts identified by visual inspection. The resulting images comprised the data described above and analyzed as follows.
Symphony 1.5t mr scanner
Manufactured by Siemens
The Symphony 1.5T MR scanner is a magnetic resonance imaging (MRI) system designed and manufactured by Siemens. It operates at a magnetic field strength of 1.5 Tesla, which is a common field strength for clinical MRI scanners. The Symphony 1.5T MR scanner is capable of producing high-quality images of the human body for diagnostic and research purposes.
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Lab products found in correlation
2 protocols using symphony 1.5t mr scanner
1
High-Resolution MRI Acquisition Protocol
2
Multimodal MRI Assessment of Body Composition
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MRI will be carried out at the Liverpool Magnetic Resonance Imaging Centre (LiMRIC), University of Liverpool using a Siemens Symphony 1.5T MR scanner. For body composition, transverse whole-body MRI data will be acquired using a T1-weighted turbo spin-echo (TSE) sequence with 1 cm slice thickness and gap.
From these scans, subcutaneous and visceral fat content will be determined using serial sections of the trunk and skeletal muscle mass from serial sections of the thigh. Liver proton magnetic resonance spectroscopy (1H MRS) will be performed at three standardised sites using the integral body coil with TR 1500 ms TE 135 ms, free breathing. 1H MRS data will be analysed to determine intrahepatic triglyceride concentration as marker of non-alcoholic fatty liver disease. To assess the neck anatomy, T1-weighted TSE axial contiguous 4 mm slices will be acquired from the hard palate to the vocal chords, using a cervical spine coil with participants lying supine and breathing quietly through their nose.25 (link) Within the region of interest, volumetric measurements of submental fat, neck fat, tongue, soft palate, lateral pharyngeal walls and airway will be obtained (figure 2 ).
From these scans, subcutaneous and visceral fat content will be determined using serial sections of the trunk and skeletal muscle mass from serial sections of the thigh. Liver proton magnetic resonance spectroscopy (1H MRS) will be performed at three standardised sites using the integral body coil with TR 1500 ms TE 135 ms, free breathing. 1H MRS data will be analysed to determine intrahepatic triglyceride concentration as marker of non-alcoholic fatty liver disease. To assess the neck anatomy, T1-weighted TSE axial contiguous 4 mm slices will be acquired from the hard palate to the vocal chords, using a cervical spine coil with participants lying supine and breathing quietly through their nose.25 (link) Within the region of interest, volumetric measurements of submental fat, neck fat, tongue, soft palate, lateral pharyngeal walls and airway will be obtained (
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