Characteristics of the study population and features of the lytic lesions
| Patients | 29 (M/F 15/14) |
| Age (years) | 44–83 (mean 67.7) |
| Treated levels | 41 (1.4 mean, range 1–3 levels/patient) |
| Lumbar | 12 |
| Thoracic | 29 |
| Histotype | No. of levels |
| Solid tumor metastases | 26 |
| Multiple myeloma | 11 |
| Plasmacytoma | 4 |
| SINS | 7–18 (mean 10.7, median 10) |
| Vertebral collapse | No. of levels |
| <50% | 19 |
| >50% | 22 |
| Epidural mass | 21 levels |
SINS, Spinal Instability Neoplastic Score.