Open Access
Table 1
List of symptoms at presentation.
| Race | |
| White | 43 |
| African American | 3 |
| Hispanic | 4 |
| Asian | 2 |
| Other | 2 |
| Not defined | 5 |
| Symptoms at presentation | |
| Pain | 41 |
| Mass | 13 |
| Buttock asymmetry | 1 |
| Thigh asymmetry | 1 |
| Leg or thigh weakness / numbness | 5 |
| Fatigue and other constitutional symptoms | 9 |
| Bowel and bladder changes | 3 |
| Limp | 8 |
| Incidental | 3 |
| Period of symptoms before presentation | |
| Within one week | 1 |
| Within one week to one month | 11 |
| Within 2 to 3 months | 9 |
| Within 4 to 6 months | 14 |
| Within 7 to 12 months | 10 |
| More than one year | 4 |
| Tumor location | |
| Ilium (Zone 1) | 19 |
| Acetabulum (Zone 2) | 2 |
| pubis / Ischium (Zone 3) | 7 |
| Sacral wing (Zone 4) | 5 |
| Zone 1 + 2 | 5 |
| Zone 1 + 4 | 2 |
| Zone 1 + 2 + 4 | 1 |
| Zone 2 + 3 | 4 |
| Zone 2 + 3 + 4 | 1 |
| Zone 3 + 4 | 1 |
| Sacorcoccygeal | 2 |
| Soft tissue (Buttock) | 7 |
| Soft tissue (pelvic mass) | 3 |
| Metastases | |
| Pulmonary | 16 |
| Bone marrow | 4 |
| To Bone | 9 |
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