一般认为脑血管淀粉样变性（CAA）可能是多灶性出血和非高血压性脑出血的原因之一[1]。文献报道发生淀粉样变性的血管以枕叶软脑膜的中小动脉为主[2]，本文通过对脑出血患者软脑膜血管的病理观察，探讨CAA与年龄、血压的关系，以及软脑膜血管的受累情况。1临床资料1．1病例选择 Cerebral vascular amyloidosis (CAA) is generally believed to be one of the causes of multifocal and non-hypertensive intracerebral hemorrhage [1]. Reported in the literature of amyloidosis in the arterial occipital lobe of the small and medium arterial arterial [2], the paper through the pathological observation of cerebral hemorrhage in patients with cerebral parenchyma, to explore CAA and age, blood pressure, as well as the involvement of the pia mater blood vessels Happening. 1 clinical data 1.1 case selection