脑静脉血栓形成影像学

脑静脉性栓塞形成Cerebral Venous ThrombosisBarbara Simons,Geert Lycklama a Nijeholt and Robin SmithuisRadiology department of the Medical Centre Haaglanden in the Hague and the Rijnlandhospital in Leiderdorp,the NetherlandsIntroduction此时应想到静脉栓塞可能When to think o·致密斑块征Publicationdate October 21,2010 CerebralDense cl空三角征静脉性脑梗塞是中风的重要原因，尤其是在儿童或年Empty dMR上正常流空征消失轻人。Absence静脉性脑梗塞它比以前更常见而且常常在最初的成像中漏诊Venous i疑似此病的成像方法Imaging in suspCT静脉成像CT-venoMR静脉成像由于临床上缺少特征而且影像所见微妙，因而诊断困MR-venDSA难DSACT陷阱It is a difficult diagnosis because of itsPitfalls in CT蛛网膜颗粒Arachno酷似致密凝块征nonspecific clinical presentation and subtleMimick假性空三角征imaging findings.Pseudo e错误的团注时间Wrong b MRI陷阱In this article we will focus on:Pitfalls in MRI横窦发育不良Hypopla血栓内低信号强度.Findings on routine imaging that should make这里主要讨论的内容：Low sigrMR对比增强时的流空Flow voi硬膜窦栓塞临床与相关综合征米提示可疑静脉性脑梗塞的常规影像学表现Chronic dural si·DAWF(硬膜动静脉瘘)米疑为静脉性脑梗塞如何进一步进行影像学检查DAVF栓塞和脑脊液压力增高*陷阱Thrombo静脉分布图·Pitfalls.Venous territori