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脑小血管病及其病理改变 被引量:14

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摘要 脑动脉粥样硬化(atherosclerosis,AS)、脑小血管病(cerebralsmall—vesseldisease,SVD)以及脑淀粉样血管病(cerebralamyloidangiopathy,CAA)是老年人脑中最常见的动脉血管异常性病变。影像学上脑白质的低信号、腔隙性脑梗死(1acunarin—farct,LI)和脑微出血(cerebralmicrobleed,CMB)改变,常提示存在SVD,是老年人常见的影像学改变。在病理学上,脑AS与SVD有相似的发病机制,如血浆蛋白从血管内渗出,吞噬脂质类的吞噬细胞在管壁聚集,血管纤维化等。此外,SVD由于损伤血管壁,而导致溢出的血浆蛋白进入脑室周围间隙,并引发血脑屏障的损伤,从而导致包括LI、脑白质病变以及CMB等一系列病理学改变。现从病理学上探讨SVD,以及由此导致的相关病变(LI、脑白质病变及CMB)的特征及相关性。
作者 桂秋萍
出处 《中华老年心脑血管病杂志》 CAS 北大核心 2012年第11期1121-1123,共3页 Chinese Journal of Geriatric Heart,Brain and Vessel Diseases
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同被引文献142

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