WMH是脑mri扫描中经常看到的老年人脑白质病变区域。
WMH are diseased areas of the white matter seen commonly in brain MRI scans in the elderly.
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 explore the value of magnetization transfer imaging (MTI) in judging microscopic lesions in normal appearing white matter of multiple sclerosis (MS).
PM L病变见于脑和小脑的白质和皮质-白质交界处。
PML lesions are found in white matter and at the corticomedullary junction of cerebral and cerebellar cortex.
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