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脑淀粉样血管病(cerebral amyloid angiopathy,CAA)是以β-淀粉样蛋白(amyloidβ,Aβ)在大脑皮质及软脑膜的中小血管上沉积为主要病理特征的脑血管病,临床主要表现为复发性和(或)多发性脑叶出血、痴呆、认知和神经功能减退、
Cerebral amyloid angiopathy (CAA) is a cerebrovascular disease with amyloid β (Aβ) deposition on small and medium blood vessels in cerebral cortex and pia mater as the main pathological features. The main clinical manifestations are recurrent And / or multiple lobar hemorrhage, dementia, cognitive and neurological deficits,