Results The aneurysms of 12 patiens was dis played distinctly with routine antero-posterior projection and lateral projectio n alone,or in combination with oblique projection or RDSA.

• 结果在进行DSA颅内动脉瘤血管造影时,常规应用正侧位进行显示,显示不清时加做斜位DSA或RDSA造影,12例颅内动脉瘤均能清晰显示。