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Table 2: Characteristics of 24 patients with CCAD on multisequence MR imaging
Patient No. Sex/Age (yr) Location Length (mm) Category of Stenosis^{^a} Presence or Absence
IMH Pseudo-aneurysm Intimal Flaps and Double Lumen
1 M/65 BA 16.7 Moderate + – –
2 M/24 MCA 8.1 Occlusion + – –
3 M/14 MCA 6.0 Mild + – –
4 M/53 ICA (C1) 35.8 No stenosis – + +
5 M/20 BA 12.7 No stenosis – – +
6 M/40 ICA (C1) 70.2 Occlusion + – –
7 M/62 BA and VA 44.1 Occlusion + – –
8 M/59 BA 22.2 No stenosis – + –
9 M/36 MCA 10.7 No stenosis – – +
10 F/18 CCA 23.3 Occlusion + – –
11 M/34 VA 10.1 Moderate – – –
12 F/38 ICA (C1) 42.4 Severe + – –
13 F/66 CCA 44.8 No stenosis + – –
14 M/43 VA 7.5 Occlusion + – –
15 M/62 ICA (C1) 40 Severe + – –
16 M/68 CCA 37.1 Occlusion + – –
17 M/42 VA 24.8 Occlusion + – –
18 M/35 ICA (C1) 63.4 Occlusion + – –
19 M/51 BA and VA 50.8 Mild + – –
20 M/69 ICA (C1) 57 Occlusion + – –
21 M/56 ICA (C1) 66.4 Severe + – –
22 M/40 ICA (C1) 13.6 Occlusion + – –
23 M/41 VA 42.7 Occlusion + – –
24 M/43 BA 11.6 Moderate + – +
Note:—BA indicates basilar artery; VA, vertebral artery; CCA, common carotid artery; +, positive; –, negative.
↵a Mild stenosis, 1%–49%; moderate stenosis, 50%–69%; severe stenosis, 70%–99%; occlusion, 100%.