脑动静脉畸形（ＡＶＭ）合并颅内动脉瘤较少见，现报告２例如下。１ 病例１．１ 例１ 男，４３岁。因突发意识丧失４分钟，醒后诉剧烈头痛伴呕吐２天于１９９９年４月１日入院。查体：双侧瞳孔等大、等圆，直径 ０.２ｃｍ，光反射灵敏，轻微颈强。急诊ＣＴ示右额叶血肿，量约５ Cerebral arteriovenous malformations (AVM) with intracranial aneurysms are rare, are reported in 2 cases as follows. 1 case 1.1 cases 1 male, 43 years old. Due to sudden loss of consciousness for 4 minutes, woke up after severe headache with vomiting 2 days in April 1, 1999 admission. Physical examination: bilateral pupils and other large, round, diameter 0.2cm, sensitive light reflex, slight neck strength. Emergency CT showed right frontal hematoma, the amount of about 5