characteristics | NO % | P value |
Age Median ± SD Min - max |
13 ± 3.707 5 - 19 y | P = 0.858 N.S. |
Sex male Female | 15 53.6% 13 46.4% | P = 0.248 N.S. |
Site axial Pelvic peripheral | 4 14.3% 8 28.6% 16 57.1% | P = 0.156 N.S. |
ECOG PS 0 1 2 | 2 7.1% 10 35.7% 16 57.1% | P = 0.079 N.S. |
Presentation Palpable mass No palpable mass |
22 78.6% 6 21.4% | P = 0.248 N.S. |
Type of biopsy Core needle Incisional Excisional |
12 42.9% 10 35.7% 6 21.4% | P = 0.794 N.S. |
CD 99 not done Positive | 6 21.4% 22 78.6% | P = 0.180 N.S. |
LDH high Normal | 22 78.6% 6 21.4% | P = 0.795 N.S. |
Size < 8 cm 8 cm >8 cm | 11 39.3% 4 14.3% 13 46.4% | P < 0.001 |
Pretreatment MRI Only bone lesion Bone and soft tissue |
12 42.9% 16 57.1% | P = 0.543 N.S. |
Surgery Incomplete excision No surgery |
6 21.4% 22 78.6% | P = 0.180 N.S. |