Objective To explore the value of magnetization transfer imaging (MTI) in judging microscopic lesions in normal appearing white matter of multiple sclerosis (MS).
目的探讨磁化传递成像（MTI）方法及其在判断脑部多发性硬化患者正常表现脑白质内微观病变中的价值。
Objective To assess whether regional magnetization transfer ratio (MTR) changes are present in Alzheimer's disease (AD) patients and to evaluate their clinical value.
目的评价阿尔海默病（AD）患者与正常老年人脑结构磁化转移率的差异，并探讨其临床实用性。
Objective To assess whether regional magnetization transfer ratio (MTR) changes are present in Alzheimer's disease (AD) patients and to evaluate their clinical value.
目的评价阿尔海默病（AD）患者与正常老年人脑结构磁化转移率的差异，并探讨其临床实用性。
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