Table 2 Natural history of bone metastases from soft tissue sarcoma
N patients (%) | |
|---|---|
Bone metastases onset | |
• Time of diagosis | 36 (27) |
• After diagnosis | 99 (73) |
Number of bone metastases | |
• ≤ 5 | 81 (60) |
• > 5 | 54 (40) |
Bone metastases site | |
• Spine | 69 (51) |
• Hip/pelvis | 27 (20) |
• Long bones | 20 (15) |
• Others | 19 (14) |
SRE development | |
• Yes | 54 (40) |
• No | 81 (60) |
• Median time to first SRE (months) | 4 (range: 1–9) |
SRE type | |
• Palliative radiotherapy | 28 (38) |
• Pathological fracture | 30 (22) |
• Cord compression | 18 (13) |
• Hypercalcaemia | 4 (3) |
• Palliative surgery | 29 (21) |