[PDF] Top 20 GRASE (gradient and spin echo) MR of the brain
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GRASE (gradient and spin echo) MR of the brain
... Two board-certified neuroradiologists, blinded to the patients’ clinical histories, reviewed the T2-weighted turbo spin-echo and GRASE images independently. Lesion de- tection and conspicuity, and ... See full document
6
Comparison of spin echo MR pulse sequences for imaging of the brain
... the gradient- and spin-echo (GRASE) technique as com- pared with the fast spin-echo and conventional spin-echo techniques in MR imaging of the ...neoplastic ... See full document
9
Half fourier acquisition single shot turbo spin echo (HASTE) MR: comparison with fast spin echo MR in diseases of the brain
... The studies were evaluated visually to count the num- ber of lesions that were 5 mm or larger and those that were smaller than 5 mm in maximal diameter. For lesions that did not fall clearly into one category or the ... See full document
6
Study protocol: Insight 46 – a neuroscience sub-study of the MRC National Survey of Health and Development
... technique; GRASE: gradient- and spin-echo MRI; GWAS: genome wide association study; ICA: independent component analysis; MCI: mild cognitive impairment; MD: mean diffusivity; MMSE: mini-mental ... See full document
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Assessment of carotid artery patency on routine spin echo MR imaging of the brain
... TABLE 1: Intraluminal Signal Changes on Spin-Echo MR Imaging of Angiographically Demonstrated Occlusion or Stenosis of the Carotid Artery Angiographic Finding MR Signal Occlusion High-Gr[r] ... See full document
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Diffusion tensor MR Imaging of the Human Brain with Gradient and Spin echo Readout: Technical Note
... Diffusion-tensor MR imaging of the brain has been proposed as a noninvasive technique that pro- vides microstructural and physiological informa- tion regarding brain tissue in vivo by measuring the ... See full document
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Role of vasogenic edema and tissue cavitation in ischemic evolution on diffusion weighted imaging: comparison with multiparameter MR and immunohistochemistry
... ischemic brain injury as early as 30 minutes after onset, before lesions are seen on conventional spin-echo MR images ...ischemic brain were significantly reduced in the acute stage (2 ... See full document
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Perfusion sensitive MR Imaging of Gliomas: Comparison between Gradient echo and Spin echo Echo planar Imaging Techniques
... at 2000/46/1 (TR/TE/excitation); those with the SE-EPI tech- nique were obtained at a readout bandwidth of 926 Hz per pixel, maximum amplitude of 25 mT/m, at 2000/97/1. Sagittal T1-weighted localizing images were ... See full document
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Brain Microhemorrhages Detected on T2* Weighted Gradient Echo MR Images
... microhemorrhages emerged as the most significant variable to discriminate patients with from those with- out previous hemorrhagic stroke in a logistic regres- sion analysis. These results not only support the role of ... See full document
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Fast T2 gradient spin echo (T2 GraSE) mapping for myocardial edema quantification: first in vivo validation in a porcine model of ischemia/reperfusion
... the GraSE technique in humans has been reported recently [12, 25]; however, these studies mostly examined healthy hearts and there- fore a narrow range of myocardial T2 relaxation times, and did not validate the ... See full document
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Fast spin echo and fast fluid attenuated inversion recovery versus conventional spin echo sequences for MR quantification of multiple sclerosis lesions
... Measurements were obtained by using a mouse-con- trolled cursor to click on the perimeter of the lesions on the computer display. The program first examines the image in a region close to where the mouse was clicked to ... See full document
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The MR appearance of gray and white matter in the cervical spinal cord
... On sagittal proton-density and T2-weighted spin- or gradient-echo MR images obtained in cadavers with a 256 x 256 matrix, the prominent structure observed within the cord is a thin band [r] ... See full document
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MR of diffusion slowing in global cerebral ischemia
... Diffusion-weighted spin-echo DWSE magnetic resonance MR 1 , 2 has been shown to be sensitive to ischemic brain injuries in studies in which DWSE MR measurements were performed in cats an[r] ... See full document
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Rapid MR imaging of the pediatric brain using the fast spin echo technique
... Poor CSF/free water versus gray matter contrast in a FSE POW image using a pTE of 30 msec; 7-year-old boy with a cystic ganglioglioma scan time 3: 12 min.. A , Axial CSE 2000/30 image de[r] ... See full document
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The diagnosis of herniated intervertebral disks with MR imaging: a comparison of gradient refocused echo and spin echo pulse sequences
... The GRE pulse sequence of 200-400/ 15 TRJTE with a flip angle of 15-30° was selected as optimal because of its high signal-to-noise ratio and good contrast between CSF, nucleus pulposus,[r] ... See full document
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MR imaging of acute intracranial hemorrhage: findings on sequential spin echo and gradient echo images in a dog model
... As with the small hematomas, GE scans demonstrated hypointensity in all of the large hematomas regardless of the source of hemorrhage, the time from ictus, or the field strength Figs.. H[r] ... See full document
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Characterization of a First Pass Gradient Echo Spin Echo Method to Predict Brain Tumor Grade and Angiogenesis
... Figure 2 shows examples of T1-weighted, contrast- enhanced images, along with GE rCBV, SE rCBV, and ratio image maps for two patients: one with an anaplastic oligodendroglioma and the other with gli- oblastoma ... See full document
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The value of fast gradient echo MR sequences in the evaluation of brain disease
... One hundred fifteen patients thought to have intracranial disease were studied with various two-dimensional short repetition time, partial-flip-angle gradient-echo techniques: at 1.0 T, [r] ... See full document
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Comparison of dynamic contrast enhanced gradient echo and spin echo sequences in MR of head and neck neoplasms
... contrast-enhanced gradient-echo MR imaging of head and neck lesions and to compare this technique with the commonly used spin-echo contrast- enhanced fat-saturation ...dynamic ... See full document
9
MR Imaging Related Heating of Deep Brain Stimulation Electrodes: In Vitro Study
... the brain have been developed ...the brain concerns the use of 1.5-T MR imaging systems ...clinical MR imaging sequences is restricted to MR imaging systems with a head transmit-receive ... See full document
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