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无症状脑梗死 (ｓｉｌｅｎｔｂｒａｉｎｉｎｆａｒｃｔｉｏｎ ,ＳＢＩ)的发现源于神经影像学发展。ＣＴ问世使之得到认识 ,ＭＲＩ的应用对其了解得到深入。所谓“无症状性脑梗死”是指无脑卒中病史 ,无神经系统症状及体征 ,而影像学检查 (头颅ＣＴ或ＭＲＩ)却发现脑梗死病灶 ;
Asymptomatic cerebral infarction (silentbraininfarction, SBI) found that the development of neuroimaging. CT come out to make it known, MRI applications to get their understanding. The so-called “asymptomatic cerebral infarction” means no stroke history, no neurological symptoms and signs, and imaging examination (cranial CT or MRI) found cerebral infarction;