我县两所县级医院从1993年1月至1995年12月对2100名中老年人经临床与CT检查确诊的378例脑梗塞中,有98例腔隙性梗塞,均无明显临床症状。98例中,男性72例,占70.6%;女性26例,占29.4%。年龄40～78岁,其中40～49岁18例,占18.4%;50～59岁21例,占21.4%;60～69岁48 There were 98 cases of lacunar infarction in 378 cases of cerebral infarction confirmed by clinical and CT examination from 2 January 1993 to December 1995 in 2 county-level hospitals in our county. There were no obvious clinical symptoms. Of the 98 cases, 72 were male, accounting for 70.6%; 26 were female, accounting for 29.4%. Aged 40 to 78 years, of which 40 to 49 years old in 18 cases, accounting for 18.4%; 50 to 59 years in 21 cases, accounting for 21.4%; 60 to 69 48