Table 3.
Characteristics of 25 hypervascular cervical spine tumor embolization procedures (in 25 patients) performed at our institution (2002–2012).
| Variable | Percentage (N) |
|---|---|
| Embolization characteristics | |
| Embolized feeders | N = 42 |
| Thyrocervical trunk | 35.7% (15) |
| Costocervical trunk | 26.2% (11) |
| Vertebral artery | 19.0% (8) |
| Superior intercostal artery | 7.1% (3) |
| Occipital artery | 4.8% (2) |
| Inferior thyroid artery | 2.4% (1) |
| Subclavian artery | 2.4% (1) |
| Transverse cervical artery | 2.4% (1) |
| Embolization material used, by case | N = 25 |
| PVA particles only | 72.0% (18) |
| PVA, coilsa, and detachable balloons | 12.0% (3) |
| PVA, coils, and Onyx | 4.0% (1) |
| PVA and coils | 4.0% (1) |
| Coils and Onyx | 4.0% (1) |
| Coils only | 4.0% (1) |
| Post-embolization results (vascularity scores) | N = 25 |
| Complete (grade 0) | 36.0% (9) |
| Near-complete (grade 1) | 44.0% (11) |
| Partial (grades 2 or 3) | 20.0% (5) |
a
All coils were platinum coils. N: number; PVA: polyvinyl alcohol.