Table 3.
Descriptive analysis: bone metastases and skeletal related events based on the type of primary tumor.
| Bone metastases and SREs | N° events (%) |
||
|---|---|---|---|
| ICCA | ECCA | GBC | |
| Type Bone Metastases | |||
| • Lytic | 55 (62) | 10 (11,5) | 9 (13) |
| • Osteoblastic | 14 (16) | 3 (3,4) | 4 (5,8) |
| • Mixed | 16 (18) | 5 (5,7) | 5 (7,2) |
| • Unknown | 3 (3,4) | 0 | 1 (1,4) |
| Number of lesions | |||
| • 1 | 15 (17) | 6 (7) | 4 (5,8) |
| • 2–3 | 40 (45) | 4 (4,6) | 6 (8,7) |
| • > 3 | 33 (37) | 8 (9) | 9 (13) |
| Site of metastases | |||
| • Spine | 63 (71) | 14 (16) | 14 (20) |
| • Pelvic bones | 34 (38) | 7 (8) | 10 (14,5) |
| • Long bones | 27 (30) | 5 (5,7) | 8 (11,6) |
| • Other sites | 11 (12) | 4 (4,6) | 3 (4,3) |
| Number of SRE | |||
| • 0 | 50 (56) | 11 (12) | 13 (19) |
| • 1 | 26 (30) | 4 (4,6) | 5 (7,2) |
| • 2 | 11 (12) | 2 (2,3) | 1 (1,4) |
| • 3 | 1 (1) | 1 (1) | 0 |
| First SRE | |||
| • Hypercalcemia | 4 (4,5) | 0 | 0 |
| • Fractures | 6 (7) | 1 (1,1) | 1 (1,4) |
| • Spinal compression | 3 (3,4) | 0 | 1 (1,4) |
| • Need of radiotherapy | 21 (24) | 5 (5,7) | 2 (3) |
| • Orthopedic surgery | 3 (3,4) | 1 (1) | 0 |