摘要
目的:提高对产褥期上矢状窦及脑静脉血栓形成发病机制和CT表现的认识。方法:对12例褥期上矢状窦和脑静脉血栓病例进行症状、体征、影像学检查综合分析。结果:脑静脉窦、脑静脉血栓CT表现为低密度脑水肿和低密度区内小片状高密度出血灶,特征性变化为平扫时可见硬膜窦内异常高密度及脑实质静脉增高即“条索征”,强化后硬膜窦内呈“空三角征”。结论:CT和MRI可准确地显示脑静脉系血栓的图像学改变,DSA检查最可靠,血栓形成的静脉窦和引流静脉不显影,可为本病提供重要的诊断依据。MRI、MRV、DSA技术相结合,是诊断脑静脉系血栓形成敏感、准确、快捷的最佳方法。
Objective To improve the recognition about the pathogenesis and CT expression of superior sagittal sinus and cerebral veins thrombosis in the puerperium. Method The main clinical symptoms and The CT manifestations of 12 patients with superior sagittal sinus and cerebral veins thrombosis in the puerperium were synthetically analysed. Results The CT expression of cerebral ve- nous sinus ,cerebral veins thrombosis are low density encephaledema and in low density region ,there are thin pieces of high density blood spots,the characteristic changes are intradural abnormal high density when plain scanning and brain parenchyma venous pressure increase ,that is ＂steak symptom＂,and there was ＂empty triangle＂ in intradural space after reinforcement. Conelusion CT and MRI can accurately show the image changes of cerebral veins＂ system thrombosis ,examination by DSA is the most reliable,venous sinus of thrombosis and drainagic veins can not be developed,it can furnish an important diagnosis evidence for the disease.
出处
《吉林医学》
CAS
2006年第7期725-726,共2页
Jilin Medical Journal
关键词
上矢状窦
脑静脉血栓
CT诊断
Superior sagittal sinus
Cerebral veins thrombosis
X-ray computer
