Table 2

Aneurysm occlusion evaluation (n=23)

DSA3D-TOF-MRACE-MRA
Montreal scale
 Total occlusion (A)14 (60.9%)19 (82.6%)18 (78.3%)
 Neck remnant (B)3 (13.0%)1 (4.4%)0 (0.0%)
 Aneurysm remnant (C)6 (26.1%)3 (13.0%)5 (21.7%)
Simplified two-grade scale
 Adéquate occlusion (A+B)17 (73.9%)20 (87%)18 (78.3%)
 Aneurysm remnant (C)6 (26.1%)3 (13.0%)5 (21.7%)
  • 3D-TOF-MRA, three-dimensional time-of-flight magnetic resonance angiography; CE-MRA, contrast-enhanced MRA.