Table 3

Status of the parent vessel artery (n=23)

DSA3D-TOF-MRACE-MRA
Three-grade
 Patent20 (87%)6 (26.1%)12 (52.2%)
 Stenosis2 (8.7%)9 (39.1%)3 (13.0%)
 Occlusion1 (4.3%)8 (34.8%)8 (34.8%)
Simplified two-grade
 Patent20 (87%)6 (26.1%)12 (52.2%)
 Stenosis/occlusion3 (13%)17 (69.6%)11 (47.8%)
  • 3D-TOF-MRA, three-dimensional time-of-flight magnetic resonance angiography; CE-MRA, contrast-enhanced MRA.