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. 2004 Oct 20;8(4):377–391. doi: 10.1177/159101990200800407

Figure 4.

Figure 4

3D IA-ROT-DSA clearly shows the best projection to disclose the anatomical relationship between neck, parent and efferent arteries and we can measure key points such as diameter of aneurysm sac and neck. A useful aspect of this technique is the capacity to provide accurate angulation and rotation degrees of the C-arm to obtain the best projection for embolization.