MR angiographic performance in the detection of a residual flow after GDC treatment in 70 aneurysms

MR SequenceDSA
Complete OcclusionResidual Flow in Coils
≤3 mm4–5 mm>5 mm
3D TOF
 Complete occlusion34600
 Residual flow in coils
  ≤3 mm01911
  4–5 mm0060
  >5 mm0003
Contrast-enhanced 3D TOF
 Complete occlusion34600
 Residual flow in coils
  ≤3 mm01911
  4–5 mm0060
  >5 mm0003