颈总动脉、颈内动脉缺如是很少见的一种先天性血管发育异常,而颈总功脉伴颈内动脉缺如更少见,国内岳炫烨等[1]曾报道1例双侧颈总动脉伴颈内动脉缺如并发脑梗死的患者,笔者近期造影发现双侧颈总动脉伴颈内动脉缺如并发蛛网膜下腔出血1例,现报道如下。1病历摘要女,56岁,已婚。因 Common carotid artery, internal carotid artery absent is a rare congenital vascular dysplasia, and common carotid artery with internal carotid artery less common, the domestic Yue Hyun Ye et al [1] reported a case of bilateral common carotid artery With internal carotid artery in patients with cerebral infarction, the author recently found bilateral common carotid artery with internal carotid artery absent subarachnoid hemorrhage in 1 case, are reported below. 1 medical record summary female, 56 years old, married. because