Based on all images of 2D DSA (medial, lateral, and oblique if needed) , 3D DSA (MIP, SSD, and VR) , and CTA (SVR) examinations, several applicability indexes were evaluated.

• 通过2D DSA的正、侧位或加斜位，3D DSA的MIP、SSD、VR，CTA的SVR图像，分别对a：动脉瘤的检出率；