白质区域可出现特异性的密度减低，Hachinski称之为白质疏松（LA）[1]。与尸检中发现的Binswanger病（BD）相似，并一度被认为是BD。为此，本院对CT或MRI显示有LA的83例临床和影像学资料进行分析，并结合近年来国内外文献对LA的诊断问题进行讨论。对象与方法一、研究对象83例的 White matter may have a specific density reduction, which Hachinski calls leukoaraiosis (LA) [1]. Similar to Binswanger’s disease (BD) found in autopsy and was once considered BD. To this end, the hospital on CT or MRI showed LA in 83 cases of clinical and imaging data analysis, combined with domestic and foreign literature in recent years, the diagnosis of LA are discussed. Objects and methods First, the study object 83 cases