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Correlation between catheter and MR angiographic findings
Catheter Angiography TOF MR Angiography
Proximal Side Distal Side
Patient Age/ Sex TIMI Grading Pre Post Pre Post
1 61/M VA stenosis^* 2 2 2 2 2
2 71/M VA stenosis^* 1 2 2 2 2
3 88/F M1 stenosis 1 2 2 2 2
4 51/M C2 stenosis 1 0 2 0 2
5 85/M BA embolism 1 0 2 2^† 2
6 49/M M1 occlusion 0 2 2 0 1
7 68/F M2 occlusion 0 2 2 0 2
8 59/F VA occlusion^* 0 0 2 0 2
9 72/M C4 occlusion 0 0 2 0 2
10 73/M M2 occlusion 0 0 2 0 2
11 77/M M1 occlusion 0 0 2 0 2
12 63/F M2 occlusion 0 0 2 0 2
13 61/F M2 occlusion 0 0 2 – –
Note:—VA indicates vertebral artery; Pre, precontrast; Post, postcontrast; BA, basilar artery; M1, horizontal segment of the MCA; M2, insular segment of the MCA; C2, C2 segment of the ICA; C4, C4 segment of the ICA;
* , with contralateral VA occlusion;
† , cross-flow via posterior communicating artery; –, vessel distal to the occlusion was not included in the scanning range.