Magnetization Transfer
Magnetization transfer effects in MR imaging of in vivo intracranial hemorrhage
... As a measure of the effects of macromolecular hemoglobin immobility, magnetization transfer contrast was elicited generated by a pulsed saturation magnetization transfer experiment and q[r] ...
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Magnetization Transfer Imaging in the Detection of Injury Associated with Mild Head Trauma
... the magnetization transfer ratio (MTR) (8) was carried out on a pixel-by-pixel basis for generation of con- tour plots and average region-of-interest (ROI) MTR ...
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Magnetization Transfer Ratio in Alzheimer Disease: Comparison with Volumetric Measurements
... 8,9 Magnetization transfer (MT) imaging investigates the rela- tionship between free protons, which are imaged by conven- tional techniques, and those bound to macromolecular struc- ...
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Magnetization transfer imaging of periventricular hyperintense white matter in the elderly
... Magnetization transfer imaging was initially demonstrated by Wolff and Balaban in 1989 ...The magnetization transfer effect is induced by applying radio fre- quency irradiation such that ...
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MR of intracranial tumors: combined use of gadolinium and magnetization transfer
... Our results indicate that magnetization transfer sequence demonstrates edema as hyperintense relative to normal brain with shorter TR than conventional sequences; the contrast between en[r] ...
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Age dependent changes in magnetization transfer contrast of white matter in the pediatric brain
... Magnetization transfer imaging was performed in 95 chil- dren during a clinically indicated MR examination of the brain. All imaging was performed on a 1.5-T unit using a double-echo sequence (2000/20,80 ...
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Quantification of Brain Damage in Cerebrotendinous Xanthomatosis with Magnetization Transfer MR Imaging
... Magnetization transfer (MT) MR imaging can go some way toward overcoming these ...exchange magnetization with the surrounding water protons, and in a post- mortem study of individuals with multiple ...
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Magnetization Transfer and Diffusion Tensor MR Imaging of Acute Disseminated Encephalomyelitis
... A single experienced observer (M.I.) who was unaware of the patient’s identity performed all MR image postprocessing. Hyperintense lesions were identified on dual-echo images, and lesion volumes were measured by using a ...
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MR enhancement of brain lesions: increased contrast dose compared with magnetization transfer
... the magnetization transfer saturation pulse we used a 1 kHz off-resonance sinc pulse of 10 milliseconds dura- tion, whose amplitude was chosen to maximize saturation of macromolecularly bound protons ...
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Contrast enhanced magnetization transfer MR of the brain: importance of precontrast images
... PURPOSE: To determine the importance of obtaining precontrast T1-weighted magnetization transfer (MT) MR images for better interpretation contrast-enhanced T1-weighted MT images. METHODS: One hundred ...
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Magnetization Transfer Imaging in Patients with Clinically Isolated Syndromes Suggestive of Multiple Sclerosis
... Magnetization transfer imaging (MTI) has proved to be a sensitive and robust method for detecting and quantifying pathologic changes in multiple sclerosis (MS) ...derived magnetization ...
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Cervical spondylosis: three dimensional gradient echo MR with magnetization transfer
... the magnetization transfer effects at the evaluated TE range is caused by a lack of macromolecules in the CSF and by a lack of free protons in cortical ...which magnetization transfer was not ...
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A Study to Assess the Efficacy of Magnetization Transfer Ratio in Differentiating Tuberculoma from Neurocysticercosis.
... Magnetization Transfer Imaging is a technique for improving image contrast in Magnetic Resonance (MR) imaging ...The magnetization transfer technique enables semi quantitative characterization ...
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Improved detection of enhancing and nonenhancing lesions of multiple sclerosis with magnetization transfer
... tion transfer (800/20/1; 5-mm sections with ...without magnetization transfer (800/ 20/1; 5-mm sections with ...tion transfer sequences were incorporated into this imag- ing protocol for all ...
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Evaluation of the Sensitivity of Inhomogeneous Magnetization Transfer (ihMT) MRI for Multiple Sclerosis
... standard magnetization transfer, and inhomogeneous magneti- zation transfer ...imaging. Magnetization transfer and inhomogeneous magnetization transfer ratios measured in ...
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Characterization of multiple sclerosis plaques with T1 weighted MR and quantitative magnetization transfer
... corresponding magnetization transfer ...The magnetization transfer ratio of each lesion was calculated, and an average magnetization transfer ratio for each subcategory was ...
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Magnetization transfer MR of the normal adult brain
... percent magnetization transfer (magnetization transfer ratio) of the white matter in the centrum semiovale is similar and comparable to that published by authors of another study, that is, ...
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Simultaneous Echo Refocused Magnetization Transfer Imaging
... encoded magnetization transfer imaging of the brain, we time-multiplex multiple slices within the same readout using simultaneous echo refo- cusing FLASH imaging with magnetization transfer ...
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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
... 3). Magnetization transfer (MT) imaging holds great promise for improving this situation, because it allows some distinction between protons associated with macromolecules and those contained in free water ...
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Lysolecithin induced demyelination in primates: preliminary in vivo study with MR and magnetization transfer
... of magnetization transfer ratio, until the animals were killed at days 14 and 34, ...of magnetization transfer ratio during the course of the experi- ment revealed a maximum decrease at day 7 ...
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