总结了８２例皮层下动脉硬化性脑病的早期ＣＴ表现：大脑白质内低度灶，境界不清，以侧脑室额角为中心对称分布，其他部位少见，绝少见于半卵圆中心部，额角周围病灶多呈小的单片状。上述表现结合临床特点可以做为早期诊断的依据。 82 cases of subcortical arteriosclerotic encephalopathy were summarized early CT manifestations: low-level focus of the brain white matter, the realm is not clear to the lateral cerebral ventricle forehead symmetrical distribution, the other parts of the rare and rare in the semi-oval center, around the forehead Lesions were mostly small monolithic. The above performance combined with clinical features can be used as a basis for early diagnosis.