目的 :讨论西宁地区 (海拔 2 2 6 0m )新生儿蛛网膜下腔出血的诊断与鉴别诊断。方法 :高海拨地区 4 10例新生儿头颅CT扫描 ,对其表现进行分析。结果 :蛛网膜下腔出血 2 0 0例、新生生儿缺氧缺血性脑病 192例 ,脑实质内出血 6例、脑室内出血 8例、硬膜外及硬膜下出血各 1例、其他 2例。结论 :CT对蛛网膜下腔出血能清楚显示其出血部位、范围及程度 ,对患儿损伤小、无痛苦 Objective: To discuss the diagnosis and differential diagnosis of neonatal subarachnoid hemorrhage in Xining (elevation 2260m). Methods: Head-skull CT scan of 410 newborns in high-altitude areas was performed and their performance was analyzed. Results: There were 200 cases of subarachnoid hemorrhage, 192 cases of neonatal hypoxic-ischemic encephalopathy, 6 cases of intraparenchymal hemorrhage, 8 cases of intracerebral hemorrhage, 1 case of epidural and subdural hemorrhage, and the other 2 cases . Conclusion: CT of the subarachnoid hemorrhage can clearly show the location, extent and extent of bleeding, children with small damage, no pain