Table 1.
Demographic, clinical, and tumor distribution of patients.
| Variable | Value, n (%) | |||
|---|---|---|---|---|
| Sex | Male | 71 (41%) | ||
| Female | 101 (59%) | |||
| Age (mean) | 23 (min: 6 to max: 84) | |||
| Presenting symptoms | Pain-swelling | Microfracture (+) | 156 (90.6%) | 55 (35.2%) |
| Microfracture (−) | 101 (64.7%) | |||
| Pathological fracture | 16 (9.3%) | |||
| Tumor distribution | Aneurysmal bone cyst | 88 (51.2%) | ||
| Giant cell tumor | 51 (29.7%) | |||
| Osteoblastoma | 19 (11%) | |||
| Chondroblastoma | 7 (4%) | |||
| Chondromyxoid fibroma | 7 (4%) | |||
| Tumor localization | Lower extremity | 91 (52.9%) | ||
| Upper extremity | 62 (36%) | |||
| Pelvis | 15 (8.7%) | |||
| Vertebral | 4 (2.3%) | |||
| Tumor diameter (cm) (mean) | 6 cm (min: 1 to max: 18 cm) | |||
| Tumor volume (mm3) (mean) | 96 cm3 (min: 1.96 to max: 207.1) | |||
| Tumor stage (Enneking) | Stage 1 | 0 | ||
| Stage 2 | 86 (50%) | |||
| Stage 3 | 86 (50%) | |||
| Graft | Allograft | 74 (43%) | ||
| Cement (PMMA) | 38 (22%) | |||
| Autograft | 15 (8.7%) | |||
| None | 45 (26.2%) | |||
| Application of preoperative embolization | Embolization (+) | 12 (6.9%) | ||
| Embolization (−) | 160 (93.1%) | |||
PMMA: polymethyl methacrylate; cm: centimeter; cm3: cubic centimeter.
Values are expressed as numbers and percent (%).