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instrumentation -to a powerful tool used routinely for diagnostic imaging. ... Synopsis Considerable strides have been made by countless individual researchers in diffusion-weighted imaging (DWI) to push DWI from an experimental tool -limited to a few institutions with specialized ... Acknowledgments The first author is grateful to his hosts during his sabbatical, where most of this manuscript was written: Prof. Joachim Hornegger (University of Erlangen), and Profs. ...doi:10.1016/j.mric.2009.01.011 pmid:19406353 pmcid:PMC2768271 fatcat:6ghbmckysvcprnmbewpzujjkpm
B-values, in the setting of diffusion, refer to the sensitivity of a sequence to diffusion, and their selection determines the strength and duration of the diffusion gradients used for imaging.(68) The ... fat and water on the image when they occur in a single voxel producing a dark band at one side of the fat-soft tissue interface and a whiter band on the opposite border of that same fat-soft tissue interface ... Acknowledgements The authors would like to thank Dr. Stephan Bluml (Children's Los Angeles) for contributing the MRS spectra and voxel images, Mr. ...doi:10.1053/j.semperi.2015.01.002 pmid:25743582 pmcid:PMC4380813 fatcat:nj6zbzqmvbc2pgr4qjtorg5anm
Diffusion-weighted MRI (DWI) water mobility measurements can be useful for non-invasive interrogation of tissue microstructures. DWI can differentiate viable and necrotic tumor tissues. ... The most commonly used single-shot DWI techniques are superior in avoiding motion artifacts; however, they are limited by image distortion, chemical shift artifacts and reduced spatial resolution. ... The purpose of this preliminary study was to demonstrate the feasibility of using single-shot diffusion-weighted single-shot echo-planar imaging (DW-EPI) for imaging liver tumor necrosis in the in vivo ...doi:10.21985/n2qt7z fatcat:laon6cqjmjh55cebqcx7v53cgy
Purpose: To compare the HCC nodule conspicuity during the arterial phase between contrast-enhanced 64-row multidetector CT with bolus tracking and MR imaging with bolus chase. ... MR imaging was performed by 3D T1-weighted THRIVE breathold sequence (TR/ TE=3/1.57 msecs) before and after Gd-BOPTA injection (0.1 mmol/kg; 2 mL/sec) with contrast injection starting after contrast visualisation ... They underwent abdominal 1.5 T MRI using axial and coronal single-shot fast-spin-echo T2-weighted sequences before and after oral administration of 10 g of lactulose diluted in 125 mL of water. ...doi:10.1007/s13244-011-0077-4 pmid:23100071 pmcid:PMC3533624 fatcat:lytbu2vohbhhnorjqlpogl77iu
Diffusion-weighted interleaved echo-planar imaging with a pair of orthogonal navigator echoes. Magn Reson Med 1996;35(5):763-770. ... The loss of small objects in variable TE imaging: implications for FSE, RARE, and EPI. Magn Reson Med 1992;28(1):9-24. Le Roux P, Hinks RS. Stabilization of echo amplitudes in FSE sequences. ... The technique can be applied to TSE sequences by using a single echo in the echo train to repeatedly sample the same line of k-space. ...doi:10.26053/0h-wg8f-ap00 fatcat:gehty3a3bvbcpcew4rkyhz6pmq