Table 3:
HRVWI characteristics of MMD
| HRVWI Characteristics | Contrast Enhancement (8 Patients, 10 Lesions) | T1 Wall Thickening (9 Patients, 11 Lesions) |
|---|---|---|
| Pattern, n (%) | ||
| Concentric | 10 (100) | 11 (100) |
| Eccentric | 0 (0) | 0 (0) |
| Vessel involved, n (%) | ||
| Distal ICA | 8 (80) | 9 (81.8) |
| Proximal MCA | 2 (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 enhancement | 0 (0) | |
| Grade II contrast enhancement | 3 (100) (P = .02) | |
| Suzuki stage | Grade 2 enhancement (4 lesions) | Wall thickening (11 lesions) |
| I | 1 (25) | 1 (9.1) |
| II | 1 (25) | 2 (18.2) |
| III | 0 | 4 (36.4) |
| IV | 2 (50) | 4 (36.4) |
| Remodeling index, mean ± SD | Right, 0.71 ± 0.13 | Left, 0.69 ± 0.13 |