目  录

 

摘要..........................................................1

关键词........................................................1

Abstract......................................................2

引论...........................................................3

一、资料与方法...............................................3

（一）仪器与设备.............................................3

（二）临床资料...............................................4

（三）检查方法...............................................4

二、数据分析.................................................5

三、结果......................................................6

四、头颅CTA的扫描内容.....................................6

（一）头颅CTA的定义.........................................6

（二）影响头颅CTA的扫描因素.................................6

（三）影响图像质量的扫描因素.................................6

（四）适应症.................................................6

（五）禁忌症.................................................7

五、对比剂的应用............................................7

（一）定义..................................................7

（二）分类与理化特性........................................7

（三）碘对比剂的禁忌症......................................7

（四）碘对比剂过敏反应的表现和预防措施......................8

六、头颅CTA对脑动脉瘤的临床意义.........................8

七、结语.....................................................9

参考文献....................................................10

致谢.........................................................11