纵裂池创伤性少量蛛网膜下腔出血CT征象  

Subarachnoid Hemorrhage of Longitudinal Cistern:CT Evaluation

作　　者：黄兆海 

机构地区：[1]平阳县人民医院放射科,浙江平阳325400

出　　处：《包头医学院学报》2009年第2期152-153,共2页Journal of Baotou Medical College

摘　　要：目的:探讨CT扫描对创伤性纵裂池少量蛛网膜下腔出血的诊断价值。方法:24例颅脑创伤患者,表现为纵裂池少量蛛网膜下腔出血,经过短期CT复查少量蛛网膜下腔出血的阳性征象均消失。结果:24例少量蛛网膜下腔出血表现为前纵裂池高密度影长度增加,8例伴有胼胝体沟征;纵裂池呈局限性羽毛状高密度影,邻近脑沟消失;后纵裂池密度增高增粗,边缘毛糙;复查显示上述征象均消失。结论:局限在纵裂池少量蛛网膜下腔出血CT扫描有特征性表现,与检查时间关系密切,容易漏诊。Objective： To investigate the significance of CT scanning in diagnosing mild traumatic subarachnoid hemorrhage of longitudinal cistern （SAHLC）. Methods： 24 cases with brain trauma were studied retrospectively. Follow-- up CT examination of a short-- term suggested that the features of SAHLC disappeared after some time. Results： 24 cases of SAHLC produced the following CT manifestations： widening of anterior longitudinal cistern, some- time SAH visible in callosai sulcus or/and eitigulate sulcus, so-- called ＂callosa[ sulcus sign＂ ; feather＇s configuration of longtitudinal cistern, partial disappearance of contiguous sulcus; widening of posterior longitudinal cistern with a coarse borderline. Conclusion： Mild SAHLC presents some CT features related to examination time and missed diagnosis readily occurs.

关 键 词：蛛网膜下腔 出血 CT扫描 

分 类 号：R816.1[医药卫生—放射医学] R743.3[医药卫生—临床医学]