Table 2.
Radiologic and Operative Characteristics
| Characteristics | No. | Percent/Range |
|---|---|---|
| Metastatic area | ||
| Thoracic | 38 | 44.7% |
| Lumbar spine | 47 | 55.3% |
| Type | ||
| Lytic | 60 | 70.6% |
| Mixed | 17 | 20.0% |
| Osteogenesis | 8 | 9.4% |
| Compression fracture | ||
| Compression fracture | 38 | 44.7% |
| Non-compression fracture | 47 | 55.3% |
| Spinal segment | ||
| 1 | 53 | 79.1% |
| 2 | 13 | 19.4% |
| 3 | 2 | 1.5% |
| Epidural encroachment | ||
| Type A | 52 | 61.2% |
| Type B | 33 | 38.8% |
| Ablation power (W) | 30.5 (SD, 5.4) | 20–40 |
| Ablation time (min) | 3.4 (SD, 1.4) | 2–5 |
| Volume of cement for each vertebra (mL) | 5.2 (SD, 2.2) | 2.0–8.5 |
| Cement leakage | 37/85 | 43.5% |
| Intervertebral discs | 13 | |
| Spinal canal | 12 | |
| Paravertebral | 9 | |
| Retrovertebral veins | 2 | |
| Intervertebral foramen | 1 |