Table 1.
Image quality scores of 7-T and 3-T time-of-flight magnetic resonance angiography in four healthy volunteers
| Vessels | Volunteer 1 | Volunteer 2 | Volunteer 3 | Volunteer 4 | ||||
|---|---|---|---|---|---|---|---|---|
| 7 T | 3 T | 7 T | 3 T | 7 T | 3 T | 7 T | 3 T | |
| Carotid siphons | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
| Ophthalmic arteries | 3 | 4 | 4 | 3 | 1 | 1 | 1 | 3 |
| Lenticulostriate arteries | 4 | 3 | 4 | 2 | 4 | 3 | 4 | 3 |
| Anterior choroidal arteries | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 |
| Thalamic perforating arteries | 4 | 2 | 3 | 0 | 2 | 0 | 3 | 0 |
| Pontine perforating arteries | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 0 |
| Anterior, middle, and posterior cerebral arteries | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Total score | 21 | 20 | 23 | 15 | 18 | 14 | 19 | 15 |