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Table 2: 
Identification of intracranial occlusion location with 3D TOF-MRA and CE-MRA compared with DSA as the reference standarda
Occlusion LocationTOF-MRACE-MRADSA
CCA0 (0%)3 (66.7%)2
Proximal ICA0 (0%)21 (90.5%)21
Distal ICA53 (18.9%)34 (100%)36
M154 (96.3%)68 (94.1%)66
M214 (92.9%)13 (92.3%)17
M31 (100%)1 (100%)2
Basilar artery6 (100%)6 (100%)6
  • Note:—CCA indicates common carotid artery.
  • ↵a Site of occlusion (absolute numbers), based on the respective imaging modality with percentage of agreement with DSA.