永存镰状窦的MRI、MSCT诊断

发布时间：2018-12-28 13:18

【摘要】：目的:探讨永存镰状窦的MRI、MSCT表现,以提高对永存镰状窦的认识和诊断。方法:收集2005年1月—2014年7月17例临床及影像学确诊为永存镰状窦患者的临床及影像学资料,结合文献进行回顾性分析,研究永存镰状窦的MRI、MSCT表现。结果 :17例永存镰状窦患者中,9例行常规MRI检查,T2WI矢状位均显示大脑大静脉池后部条状流空血管影自大脑大静脉向上引流至上矢状窦中、后三分之一处;2例行磁共振静脉成像(MRV),显示大脑大静脉经开放的镰状窦向上引流入上矢状窦;1例行MRI增强扫描,示上矢状窦与大脑大静脉池间强化血管影相连通。5例行CTA扫描,静脉期可见大脑大静脉或直窦前部与上矢状窦后三分之一处相连的条带状强化血管样结构。结论:永存镰状窦MRI、MSCT表现具有特征性,常规MRI、MRV、MRI增强与CTA均可准确反映永存镰状窦的形态、位置及其与周围结构的关系,有助于对永存镰状窦全面综合评价。
[Abstract]:Objective: to investigate the MRI,MSCT findings of persistent sickle sinus in order to improve the understanding and diagnosis of persistent sickle sinus. Methods: the clinical and imaging data of 17 patients with persistent sickle sinus confirmed by clinical and imaging findings from January 2005 to July 2014 were collected and analyzed retrospectively to study the MRI,MSCT findings of persistent sickle sinus. Results: among the 17 patients with permanent sickle sinus, 9 cases were examined by routine MRI. The sagittal T2WI images showed the emptiness in the posterior cistern of cerebral vein draining upward from the superior sagittal sinus of the great cerebral vein, the latter 1/3 sites. In 2 cases (MRV), showed that the great cerebral vein flowed upward through the open sickle sinus into the superior sagittal sinus. MRI enhanced scanning was performed in 1 case, showing the connection of enhanced vascular shadow between superior sagittal sinus and cerebral cistern, and CTA scan in 5 cases. In the venous phase, the vein or anterior part of the straight sinus was connected with the 1/3 points of the superior sagittal sinus. Conclusion: the MRI,MSCT features of permanent sickle sinus are characteristic. Both conventional MRI,MRV,MRI enhancement and CTA can accurately reflect the morphology, location and the relationship between the permanent falciform sinus and its surrounding structure, which is helpful for comprehensive evaluation of permanent falciform sinus.
【作者单位】：洛阳市第一人民医院放射科;河南科技大学第二附属医院神经外科;
【分类号】：R742;R445.2;R816.1

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