Table 1.
Summary data for eight patients with inadvertently instrumented primary sarcomas of bone
| Patient | Age (years) | Gender | Diagnosis | Stage | Location | Initial procedure | Definitive surgery | Followup (months) | Status | MSTS score |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 79 | Female | High-grade pleomorphic undifferentiated sarcoma | III | Right distal femur | RIMN | Hip disarticulation | 22 | DF/A | 11.5 (38.3%) |
| 2 | 66 | Female | Dedifferentiated chondrosarcoma | IIb | Left proximal humerus | PS | Megaprosthesis | 31 | DF/A | 20 (66.7%) |
| 3 | 43 | Female | Telangiectatic osteosarcoma | IIb | Left distal femur | RIMN | Hip disarticulation | 35 | DF/A | 7.5 (25%) |
| 4 | 63 | Female | Dedifferentiated chondrosarcoma | IIb | Right distal femur | RIMN | Megaprosthesis | 12 | M/D | 11.5 (38.3%) |
| 5 | 52 | Female | Mesenchymal chondrosarcoma | III | Left proximal femur | RIMN | Hip disarticulation | 8 | M/D | 7.5 (25%) |
| 6 | 66 | Female | Malignant giant cell tumor | III | Right proximal femur | PS | Hemipelvectomy | 9 | M/D | 6.5 (21.7%) |
| 7 | 71 | Male | High-grade pleomorphic undifferentiated sarcoma | IIb | Right proximal femur | AIMN | Hemipelvectomy | 18 | M/D | 10.5 (35%) |
| 8 | 64 | Female | Dedifferentiated chondrosarcoma | IIb | Right distal femur | RIMN | Hip disarticulation | 80 | DF/A | 10 (33.3%) |
MSTS = Musculoskeletal Tumor Society; RIMN = retrograde intramedullary nail; AIMN = antegrade intramedullary nail; PS = plate and screw construct; DF = disease-free; M = metastatic disease; A = alive; D = dead.