【摘要】 目的:探讨CT对创伤性和动脉瘤性蛛网膜下腔出血的鉴别诊断价值。方法:回顾性分析创伤性蛛网膜下腔出血122例和动脉瘤性蛛网膜下腔出血119例的CT征象。结果:动脉瘤破裂引起的自发性蛛网膜下腔出血的CT表现为以鞍上池为中心的脑池铸型高密度影,有的伴有额叶内侧直回或颞叶海马回血肿;创伤性蛛网膜下腔出血表现为外侧裂池、纵裂池、脑沟、脑内线状或雾带状高密度影,有的伴有脑内灶状或点状脑挫裂伤,颅骨骨折等。结论:头颅CT扫描在创伤性和动脉瘤性蛛网膜下腔出血的鉴别诊断中具有重要的价值。更多还原

【Abstract】 Objective:To study the CT features of Aneurismal subarachnoid hemorrhage(SAH) and traumatic subarachnoid hemorrhage.Methods:The CT characteristics of Aneurismal subarachnoid hemorrhage in 119 cases and traumatic subarachnoid hemorrhage in 122 cases were analyzed retrospectively.Results:The CT characteristics are high-density in suprasellar and perisellar cistern or with hematoma of gyrus rectus of frontal lobe, temporal lobe and insular lobe in Aneurismal subarachnoid hemorrhage. But the CT show string and fog banded sign in cistern of lateral sulus,interhemispheric cistern and sulcus or with point and focal contusion of brain, the fracture of skull in traumatic subarachnoid hemorrhage. Conclusion:CT has important value in differential diagnostic validity between Aneurismal subarachnoid hemorrhage and traumatic subarachnoid hemorrhage.更多还原