What does t1 hyperintensity mean
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††A case-series design for prognosis is one where all the patients in the study have the exposure of interest. Since all the patients have the exposure, risks of an outcome can be calculated only for those with the exposure, but cannot be compared with those who do not have the exposure.
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abnormal T1 hyperintensity in a parasagittal gyriform pattern of distribution as well as T1 hyperintensity returned from the thalami, consistent with ischemic injury. Also note
[DOCX File]Quantitative Magnetic Resonance Imaging in Patients with ...
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2.0 mm slice thickness. T. 2-weighted sequences were performed to exclude structural brain pathology, with the following sequence parameters: TE 80 ms, TR 3000 ms, 2 NSA, image matrix of 230, 23 cm FOV, and 3.0 mm slice thickness.. MT was obtained using a two-dimensional gradient-echo pulse sequence (TR 54.7 ms, TE 3.75 ms, flip angle 15 degrees, slice thickness 2mm, 1 NSA) with 20 slices ...
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Myocardium is characterised using T1, T2 and T2* relaxation times and delayed contrast enhancement. It has the ability to show different areas of the heart and vascular structure and function (e.g. myocardial viability, tissue characterisation and scar assessment)
[DOC File]Blood pressure and sodium: association with MRI markers in ...
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Data points indicate the mean value obtained at the two visits (x-axis) and the difference between the two visits (value at visit 1 minus value at visit 2; y-axis); dashed lines show the mean difference between measurements and the mean difference ± 2 SD; the standard deviation …
[DOCX File]Extract from the Clinical Evaluation Report for Diemthyl ...
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It is therefore very encouraging that T1 hypointense lesions were also reduced with active treatment, from an adjusted mean of 5.6 in the placebo group to 1.5 and 2.1 in the 240mg BID and 240mg TID groups, respectively (p
[DOC File]Table 4: Reporting MR imaging changes of presumed vascular ...
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WMH appearance on T1w MPRAGE and T2. MRI FLAIR (A) shows extensive confluent WMH. On MRI T1w MPRAGE, there is corresponding T1 hypointensity (arrow) in the regions affected by WMH, with T1 signal intensity greater than CSF and similar to that of normal-appearing gray matter.
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Using T1, T2, T2* or phase contrast, high resolution MRI studies can routinely identify the stria of Gennari in vivo. However, the development and function of the Gennari stripe is unclear. MRI at 7 Tesla with isotropic 0.5 mm voxels was used to scan the occipital brain of sighted and congenitally blind subjects.
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MRI features suggestive of spinal AVMs include a conglomerate of dilated, peri- and intramedullary located vessels that are demonstrated on T2-weighted sequences as flow voids and on T1-weighted sequences, depending on their flow velocity and direction, as mixed hyper-hypointense tubular structures, a serpentine pattern of low signal on T1 and ...
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They appear as low signal on T1-weighted and high signal on T2-weighted images[42,43]. The joint connection and the extension of the cyst along the articular branch of nerve when present, can be well demonstrated[20,29,30,36,38,39]. Further denervation muscle edema as T2 hyperintensity and muscle atrophy as T1 hyperintensity can be seen[8,10,38].
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