Table 2.
Descriptive patient demographics and treatment data
| Parameter | Mean | SD |
|---|---|---|
| Patient age at diagnosis (years) | 35.4 | 15.8 |
| Time to recurrence (months) | 16.4 | 12.3 |
| Followup (months) | 108.3 | 43.8 |
| Number | Percent | |
|---|---|---|
| Gender | ||
| Male | 53 | 45.3 |
| Female | 65 | 54.7 |
| Location | ||
| Distal femur | 29 | 24.6 |
| Proximal femur | 4 | 3.4 |
| Distal tibia | 6 | 5.1 |
| Proximal tibia | 24 | 20.3 |
| Proximal fibula | 3 | 2.5 |
| Distal humerus | 1 | 0.8 |
| Proximal humerus | 4 | 3.4 |
| Distal radius | 12 | 10.2 |
| Distal ulna | 2 | 1.7 |
| Proximal ulna | 1 | 0.8 |
| Hand | 4 | 3.4 |
| Scapula | 1 | 0.8 |
| Spine | 6 | 5.1 |
| Sacrum | 13 | 11.0 |
| Pelvis | 9 | 7.6 |
| Grade (Campanacci) | ||
| Grade I | 5 | 4.2 |
| Grade II | 46 | 39.0 |
| Grade III | 67 | 56.8 |
| Tumor extension | ||
| T1 | 62 | 52.5 |
| T2 | 56 | 47.5 |
| Pathologic fracture | 17 | 14.4 |
| Treatment | ||
| Wide resection | 22 | 18.6 |
| Intralesional surgery | 95 | 80.5 |
| Nonsurgical treatment | 1 | 0.9 |
| Adjuvants | ||
| No adjuvants (bone grafting) | 22 | 23.2 |
| Bone grafting + phenol | 32 | 33.7 |
| PMMA | 1 | 1.1 |
| PMMA + phenol | 40 | 42.2 |
| Recurrences–total | 25 | 21.4 |
| Recurrences–bone | 21 | 17.9 |
| Soft tissue implantations | 4 | 3.4 |