From: A new relative tumor sizing method in epi-metaphyseal osteosarcoma
Variable | n (%) | |
---|---|---|
5-year survival | Yes | 43 (72.9) |
No | 16 (27.1) | |
Metastasis rate | Free | 41 (69.5) |
Positive | 18 (30.5) | |
Age, mean (range) | 17.8 (3–59) | |
Sex | Male | 32 (54.2) |
Female | 27 (45.8) | |
AJCC stage | IIA | 22 (37.3) |
IIB | 37 (62.7) | |
Site | Distal femur | 32 (54.2) |
Proximal tibia | 16 (27.1) | |
Proximal humerus | 8 (13.6) | |
Proximal femur | 3 (5.1) | |
Histology | Osteoblastic | 37 (62.7) |
Chondroblastic | 7 (11.9) | |
Fibroblastic | 4 (6.8) | |
Mixed | 8 (13.6) | |
NA | 3 (5.1) | |
Huvos grade | I and II | 16 (27.1) |
III and IV | 43 (72.9) | |
Resection margin | R0 | 58 (98.3) |
R1 | 1 (1.7) | |
ALP | Elevation | 33 (55.9) |
Normal | 26 (44.1) |