[PDF] Top 20 Magnetization transfer: a potential method to determine the age of multiple sclerosis lesions
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Magnetization transfer: a potential method to determine the age of multiple sclerosis lesions
... Normal-appearing white matter in all of the patients with multiple sclerosis had magnetization transfer effect values ranging from 0.41 to 0.45.. The magnetization transfer effect value [r] ... See full document
6
Multiple sclerosis lesions: relationship between MR enhancement pattern and magnetization transfer effect
... the magnetization transfer ratios of multiple sclerosis lesions and looked for a difference in mean magnetization transfer ratios based on the age of the ...divided ... See full document
9
Measure of magnetization transfer in multiple sclerosis demyelinating plaques, white matter ischemic lesions, and edema
... MS lesions were recognized as those with a high signal abnormality on proton density–weighted and T2-weighted ...MS lesions were comparable to that of the white matter ischemic lesions (ie, ... See full document
5
Enhanced and unenhanced MR with magnetization transfer in multiple sclerosis
... of multiple sclerosis (MS) is judged on magnetic resonance (MR) images by plaque enhancement after intravenous injection of contrast material (1, ...The magnetization transfer (MT) technique ... See full document
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Evolution of Multiple Sclerosis Lesions on Serial Contrast Enhanced T1 Weighted and Magnetization Transfer MR Images
... T1 lesions with severely decreased MTRs is not well ...these lesions have the potential to revert (19, 20), a process that is thought to be related to ... See full document
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Single dose gadolinium with magnetization transfer versus triple dose gadolinium in the MR detection of multiple sclerosis lesions
... MS lesions were marked, and each MR exam was scored for the presence of high signal intensity lesions on precontrast T1-weighted images and for presence of ...all lesions upon which readers disagreed ... See full document
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Evaluation of the Sensitivity of Inhomogeneous Magnetization Transfer (ihMT) MRI for Multiple Sclerosis
... active lesions and by monitoring the ihMT parame- ters at different stages (inflammation, demyelination, remyelination, ...at potential correlations between ihMT metrics and clinical scores (eg, ... See full document
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Magnetization Transfer Imaging in Patients with Clinically Isolated Syndromes Suggestive of Multiple Sclerosis
... T2 lesions, thus concentrating on a group with a high likelihood of developing clinically definite MS (1, ...20 age- and sex-matched control sub- ...of lesions) of 24 CIS patients and found that the ... See full document
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A Comparison of Magnetization Transfer Ratio, Magnetization Transfer Rate, and the Native Relaxation Time of Water Protons Related to Relapsing remitting Multiple Sclerosis
... focal lesions and have also been termed ‘‘dirty’’ white matter ...non-acute lesions were subdivided according to their hypointensity on T1-weighted images as isointense and mildly and markedly ...Acute ... See full document
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Magnetization Transfer Ratio Histogram Analysis of Gray Matter in Relapsing remitting Multiple Sclerosis
... In summary, in our study, MT imaging helped quantitate global gray matter abnormality that may reflect underlying pathologic changes in the gray matter in MS, which may, in turn, reflect chronic neurodegeneration. The ... See full document
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Sensitivity of enhanced MR in multiple sclerosis: effects of contrast dose and magnetization transfer contrast
... enhancing lesions in patients with MS ...of lesions that would never be detected on serial single-dose ...enhancing lesions is much higher when MT im- ages are ...of lesions that are ... See full document
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Correlation of Multiple Sclerosis Measures Derived from T2 Weighted, T1 Weighted, Magnetization Transfer, and Diffusion Tensor MR Imaging
... Brain volume was measured from T1-weighted images by using a seed growing technique for brain parenchyma segmen- tation. This method is based on signal intensity thresholding. A seed point was positioned in any ... See full document
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Magnetization transfer effects in MR detected multiple sclerosis lesions: comparison with gadolinium enhanced spin echo images and nonenhanced T1 weighted images
... matter lesions in 18 patients, ages 18 to 65 years (mean age, ...images, magnetization transfer images (see below), and 3- to 5-mm contiguous axial postgadolinium T1-weighted images (600 ... See full document
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Dirty Appearing White Matter in Multiple Sclerosis: Volumetric MR Imaging and Magnetization Transfer Ratio Histogram Analysis
... MT imaging was performed by using a 3D gradient-echo sequence modified by the addition of an MT pulse (106/5/12° [TR/TE/flip angle]). The field of view was 220 ⫻ 220 mm; the matrix size, 128 ⫻ 256; and the section ... See full document
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Patterns of lesion development in multiple sclerosis: longitudinal observations with T1 weighted spin echo and magnetization transfer MR
... enhancing lesions may appear either isointense or hypointense relative to surrounding normal-appear- ing white matter ...The magnetization transfer ratio (MTR), which can be used to quantify the ... See full document
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Combined Magnetization Transfer and Proton Spectroscopic Imaging in the Assessment of Pathologic Brain Lesions in Multiple Sclerosis
... Using a protocol consisting of conventional MR, MT, proton spectroscopic imaging, and clinical evaluation, we conducted a cross-sectional study of 30 patients with MS and 12 healthy subjects. We observed widespread MT ... See full document
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Magnetization Transfer Histogram Analysis of the Cervical Cord in Patients with Multiple Sclerosis
... METHODS: We obtained two sets of gradient-echo sequences with and without a saturation pulse from 90 MS patients and 20 sex- and age-matched healthy control subjects. One set consisted of 20 axial, contiguous ... See full document
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Characterization of White Matter Lesions in Multiple Sclerosis and Traumatic Brain Injury as Revealed by Magnetization Transfer Contour Plots
... Magnetization transfer images were overlaid with MTR con- tour plots, delineating regions with MTRs of less than ...that lesions that were only visible on T2-weighted im- ages had an average MTR of ... See full document
5
Improved detection of enhancing and nonenhancing lesions of multiple sclerosis with magnetization transfer
... women; age range, 25 to 65 years; average age, ...tion transfer (800/20/1; 5-mm sections with ...without magnetization transfer (800/ 20/1; 5-mm sections with ...tion transfer ... See full document
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Characterization of multiple sclerosis plaques with T1 weighted MR and quantitative magnetization transfer
... of multiple sclerosis lesions identified on unenhanced T1-weighted images and their corresponding magnetization transfer ...matter lesions seen on T2-weighted images in 17 ... See full document
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