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3t dstream mri scanner

Manufactured by Philips

The Philips 3T dStream MRI Scanner is a high-field magnetic resonance imaging (MRI) system. It operates at a field strength of 3 Tesla, providing enhanced image quality and resolution compared to lower-field MRI scanners. The dStream MRI Scanner utilizes digital signal acquisition and processing technology to capture detailed anatomical images.

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2 protocols using 3t dstream mri scanner

1

3T MRI Neuroimaging Preprocessing Protocol

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Scans were acquired using a whole-body 3.0 Tesla (3T) dStream MRI Scanner (Philips Healthcare, Best, The Netherlands) equipped with a volume transmit 32-channel receiver head coil (Nova Medical, Wilmington, Massachusetts, USA). The scanning protocol included: T1-weighted (T1W) fast field echo and T2-weighted (T2W) turbo spin echo (TSE), T2W fluid-attenuated inversion recovery (FLAIR) sequences, and a multi-b shells diffusion-weighted imaging sequence, the parameters of which are presented in Table 2.
All the diffusion-weighted images were corrected using FMRIB Software Library (FSL) topup and eddy toolbox (https://fsl.fmrib.ox.ac.uk/fsl/) to remove susceptibility and eddy current-induced distortions. After that, the neurite orientation dispersion and density imaging (NODDI) toolbox (http://mig.cs.ucl.ac.uk/index.php?n=Tutorial.NODDImatlab) was used to reconstruct all the NODDI parametric maps (24 (link)–26 (link)). AD and Vax were fitted as previously reported (27 (link)).
Lastly, each map was co-registered and resampled to the T2W TSE image as an affine co-registration using the FMRIB's Linear Image Registration Tool (FLIRT) toolbox in FSL (https://fsl.fmrib.ox.ac.uk/fsl/).
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2

Multi-modal MRI Assessment of Multiple Sclerosis

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Eighteen people with MS (pwMS, n=12 women, n=6 men) were consecutively enrolled, as previously described (13 ). The demographic, clinical and MRI characteristics of the cohort are shown in Table 1.
All pwMS underwent a clinical assessment consisting of EDSS and T25-FW tests and a 3.0 Tesla (3T) MRI within 2±2 weeks of each other. Scans were acquired using a whole-body 3T dStream MRI scanner (Philips Healthcare, Best, The Netherlands) equipped with a volume transmit 32-channel receive head coil (NOVA Medical, Wilmington, MA) as previously described (14 ). Each subject had the following protocol: T1-weighted (T1-w), T2-w turbo spin echo (TSE), T2-w Fluid Attenuated Inversion recovery (FLAIR), all of which had a resolution of 0.4 × 0.4 × 2 mm3, as well as diffusion weighted images (DWI) with a 2 mm isotropic resolution.
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