高血压动脉硬化性脑出血(下称脑出血)与动脉粥样硬化性脑梗塞(下称脑梗塞)等急性肺血管病为我国死因之首位。而二者之某些病例有时甚难鉴别,日本脑出血与脑梗塞临床诊断与病理诊断之符合率仅为65.2％与64％。自CT问世后已使这一难题基本解决,但遗憾的是因诸种因素,尚不能将其列为诊断常规,更不能使其满足于急诊工作,因此目前二者的计量鉴别诊断在国内外均广泛应用, Hypertensive arteriosclerosis cerebral hemorrhage (hereinafter referred to as cerebral hemorrhage) and atherosclerotic cerebral infarction (hereinafter referred to as cerebral infarction) and other acute pulmonary vascular disease is the leading cause of death in our country. In some cases, it is sometimes difficult to identify some cases. The coincidence rates of clinical diagnosis and pathological diagnosis of cerebral hemorrhage and cerebral infarction in Japan are only 65.2% and 64% respectively. Since the advent of CT has made this problem basically solved, but unfortunately due to various factors, not yet listed as a diagnostic routine, but can not make it to meet the emergency work, so the current differential diagnosis of both at home and abroad Are widely used,