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Table 3:

HRVWI characteristics of MMD

HRVWI CharacteristicsContrast Enhancement (8 Patients, 10 Lesions)T1 Wall Thickening (9 Patients, 11 Lesions)
Pattern, n (%)
 Concentric10 (100)11 (100)
 Eccentric0 (0)0 (0)
Vessel involved, n (%)
 Distal ICA8 (80)9 (81.8)
 Proximal MCA2 (20)2 (18.2)
Events within 3 mo before and after the imaging, n (%)7 (87.5) (P = .01)9 (100) (P ≤ .001)
Recent events (DWI positive) within 4 wk of imaging, n (%)4 (44.4) (P = .20)
 Grade I contrast enhancement0 (0)
 Grade II contrast enhancement3 (100) (P = .02)
Suzuki stageGrade 2 enhancement (4 lesions)Wall thickening (11 lesions)
 I1 (25)1 (9.1)
 II1 (25)2 (18.2)
 III04 (36.4)
 IV2 (50)4 (36.4)
Remodeling index, mean ± SDRight, 0.71 ± 0.13Left, 0.69 ± 0.13