摘要
目的:总结分析新生儿蛛网膜下腔出血(SAH)的CT特点,以提高诊断正确性。方法:回顾分析45例资料齐全的新生儿蛛网膜下腔出血CT表现、出血类型和临床意义。结果:45例SAH中,原发性39例,继发性6例,合并缺氧缺血性脑病20例,显示脑积水者4例。结论:新生儿SAH适时的CT检查大多具有典型表现,诊断符合率可达95%;但有时可有假阴性;并应与纵裂、直窦相鉴别。
Objective: To summarize and analyze the CT characteristics of newborn subarachnoid hemorrhage ( SAH ) , and to raise the rate of correct diagnosis. Methods: CT manifestations, hemorrhage type, and clinical significance of 45 cases of newborn SAH with complete data were analyzed retrospectively. Results: In the 45 cases of SAH,39 cases were primary, 6 cases were secondary. And 20 cases of SAH were complicating with hypoxic - ischemic encephalopathy ,4 cases of SAH showed hydrocephaly. Conclusion: Timely CT examination in newborn SAH most has typical manifestations, and the diagnostic accordance rate could reach 95%. Howerer, the result may be false - negative sometime, which should be differentiated with interhemispheric cistern and straight sinus.