Figure 3



Figure 3 : 

Large aneurysm of the anterior communicating artery. A. Preoperative DSA. B. Postoperative nonsubstracted DSA showing stagnation of contrast media in the aneurysm. C. One year nonsubstracted DSA showing the flow diverter (Silk) in the A1–A2 segment. D. One year substracted DSA showing complete occlusion of the aneurysm.