蛛网膜下腔出血是最常见的颅内出血之一 ,临床上多依靠腰穿来明确诊断 ,而辅助检查则主要依靠CT扫描。本文对我院自 1 998年— 2 0 0 2年行CT扫描并经腰穿证实蛛网膜下腔出血的 2 78例 1 2岁以下的患儿进行分析 ,发现大脑后纵裂池密度增高对早期诊断小儿蛛网膜下腔出血有明显意 Subarachnoid hemorrhage is one of the most common intracranial hemorrhage, clinically depend on the lumbar puncture to confirm the diagnosis, but the auxiliary examination mainly depends on the CT scan. In our hospital from 1998 to 2002 CT scan and confirmed by lumbar puncture subarachnoid hemorrhage 2 78 cases of children under 12 years of age were analyzed and found that the density of the posterior longitudinal lobar pool increased Early diagnosis of subarachnoid hemorrhage in children with clear meaning