| CASE | 1 | 2 | 3 | 4 |
| Hematoma size (mm) | 210 × 70 | 143 × 164 | 45 × 190 | 100 × 90 |
| Occluded | Left lumbar | Left lumbar | Right lumbar | Left lumbar |
| arteries | artery (L3) | arteries (both) | arteries (L2, L3, L4) | artery (L3) |
| Hydropearl | ||||
| Total | ||||
| volume (ml) | 4 | 4 | 8 | 4 |
| Size (μm) | 400 | 600 | 400 | 400 |
| OUTCOME | Death | Survival | Survival | Death |