Table 3 Sites of bone involvement in children and adult LCH cases (n = 64)
Site of bone involvement | Child | Adult | ||||
|---|---|---|---|---|---|---|
Unifocal | Multifocal | Multisystem | Unifocal | Multifocal | Multi system | |
Calvarium | 10 | 0 | 1 | 1 | 1 | 2 |
Skull base | 2 | 2 | 0 | 5 | 2 | 1 |
Facial bones | 0 | 0 | 1 | 0 | 3 | 0 |
Spine | 2 | 1 | 0 | 3 | 0 | 0 |
Chest wall | 7 | 1 | 0 | 7 | 0 | 0 |
Pelvis | 0 | 0 | 0 | 4 | 0 | 2 |
Long bone | 1 | 1 | 1 | 0 | 0 | 1 |
Short tubular bones | 1 | 0 | 0 | 1 | 0 | 0 |
| Â | 23 | 5 | 3 | 21 | 6 | 6 |