| 叶玉芳,刘连祥,吴晶,王连庆,吴育锦.硬脑膜静脉窦血栓的影像学诊断对比研究[J].中国医学影像技术,2003,19(2):152~154 |
| 硬脑膜静脉窦血栓的影像学诊断对比研究 |
| Comprehensive Imaging Diagnosis in the Cerebral Dural Venous Sinus Thrombosis |
| 投稿时间：2002-07-21 |
| DOI： |
| 中文关键词: 硬脑膜静脉窦血栓 磁共振成像 磁共振静脉血管造影术 体层摄影术,X线计算机 |
| 英文关键词:Dural venous sinus thrombosis Magnetic resonance imaging Magnetic resonance venography Tomography,X-ray computed |
| 基金项目: |
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| 摘要点击次数: 3111 |
| 全文下载次数: 2005 |
| 中文摘要: |
| 目的 探讨磁共振各序列及CT在诊断脑硬膜静脉窦血栓中的价值。 方法 20例经MRI及MRV(其中15例曾行CT检查)诊断为脑静脉窦血栓的病人,着重观察静脉窦内异常信号、脑肿胀、脑实质内异常信号及有无乳突炎等。 结果 15例行CT扫描病人中,7例可见脑内异常密度影,1例可见上矢状窦增宽,有高密度影充填,MRV显示上矢状窦血栓11例,上矢状窦合并横窦、直窦或乙状窦血栓7例,左横窦及乙状窦血栓1例,右侧乙状窦血栓1例。SE序列显示脑实质内异常信号8例。显示上矢状窦、横窦、乙状窦高信号影14例。 结论 硬膜窦内高信号影可提示本病,而MRV与原始图像结合在诊断静脉窦血栓及随访观察中有极大的价值,T1WI在显示脑肿胀、出血等方面优于T2WI,但T2WI对于乳突炎的显示又明显优于其他序列。磁共振检查的优越性是CT及血管造影所不及的。 |
| 英文摘要: |
| Objective To evaluate the value of MRI,MRV and CT in the diagnosis of the dural venous sinus thrombosis. Methods Twenty patients with dural venous thrombosis were examined with spin-echo MR imaging and MR venography (fifteen patients of them had been examined with CT). The abnormal signal of dural sinus,cerebral edema,cerebral parenchyma abnormal lesion and mastoid process inflammation was observed. Results In the fifteen patients of CT scan,cerebral parenchyma abnormal density lesion in 7 patients,enlarged and high density superior sagittal sinus in 1 case,superior sagittal sinus thrombosis in 11 cases,superior sagittal sinus with transverse sinus,straight sinus or sigmoid sinus thrombosis in 7 cases,left transverse with sigmoid sinus thrombosis in 1 case,and right sigmoid sinus thrombosis in 1 case were found respectively.Spin-echo sequence show abnormal signal of intracerebral in eight patients,high signal in the superior sagitta sinus,transverse sinus and sigmoid sinus were showed in fourteen patients. Conclusion MR venography is the most valuable method in the diagnosis and following-up of the dural venous sinus thrombosis,a high signal in the dural sinus can clue to this disease.In showing the edema and homorrhage,T1WI is better than T2WI. But in showing the mastoid process inflammation,T2WI is the best. So MRI plus MRA is superior to CT or DSA. |
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