نتایج جستجو برای: magnetization transfer imaging mti
تعداد نتایج: 752539 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE T1-weighted MR images show high signal intensity in the pallidum of many patients with liver cirrhosis. The purpose of this study was to evaluate quantitative changes in MR signals in patients with liver cirrhosis by using the magnetization transfer technique. METHODS Magnetization transfer ratios were measured in seven different regions of the brain in 37 patients with...
Developing imaging technologies capable of identifying unstable atheromatous plaques in vivo is a major issue of clinical cardiovascular research. These techniques would permit an earlier surgical or medical therapy and would anticipate acute ischemic syndromes. Plaque vulnerability depends on the relative amount and thickness of its lipid core and fibrous cap. Several means of assessing athero...
PURPOSE To evaluate the use of magnetization transfer and the apparent enhancement of lesions on contrast-enhanced MR images in patients with multiple sclerosis. METHODS Contrast-enhanced T1-weighted spin-echo MR images obtained in 20 patients with relapsing-remitting multiple sclerosis, with and without magnetization transfer, were evaluated to determine the number of enhancing plaques. Comp...
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