Clinical Study
Frequency of Certain Established Risk Factors in Soft Tissue Sarcomas in Adults: A Prospective Descriptive Study of 658 Cases
Table 3
Radiation-induced
sarcomas.
| | Sex ratio | 5 males /17 females |
| | Age | Median: 66
(27–83) | | Mean: 57 (+/− 17) |
| | Parameter | Number of cases | Percentage | 95%-CI |
| | Previous cancer | — | — | — | | Breast cancer | 10 | 45.0 | 24–66 | | Lymphoma | 4 | 18.2 | 0–28 | | Cervix cancer | 2 | 9.0 | 0–20 | | Prostate cancer | 1 | 4.5 | 0–13 | | Bilateral retinoblastoma | 1 | 3.5 | 0–13 | | Uterus cancer | 1 | 4.5 | 0–13 | | Meningioma | 1 | 4.5 | 0–13 | | Lymphoblastic acutate leukemia | 1 | 4.5 | 0–13 | | Head and neck | 1 | 4.5 | 0–13 |
| | Undifferentiated spindle cell sarcoma | 11 | 50.0 | 24–66 | | Angiosarcoma | 4 | 18.2 | 2–34 | | Leiomyosarcoma | 2 | 9.0 | 0–20 | | Osteosarcoma | 1 | 4.5 | 0–13 | | Chondrosarcoma | 1 | 4.5 | 0–13 | | Liposarcoma | 1 | 4.5 | 0–13 | | PNET | 1 | 4.5 | 0–13 | | Malignant
hemangioendothelioma | 1 | 4.5 | 0–13 |
| | Grade 1 | 1 | 5.5 | 0–13 | | Grade 2 | 2 | 11.1 | 0–29 | | Grade 3 | 15 | 83.3 | 72–100 |
| | Chest wall | 10 | 45.4 | 14–66 | | Head and neck | 4 | 18.2 | 5–40 | | Lower limb | 2 | 9.0 | 0–20 | | Upper limb | 2 | 9.0 | 0–20 | | Pelvis | 2 | 9.0 | 0–20 | | Retroperitoneum | 1 | 4.5 | 0–20 | | Uterus | 1 | 4.5 | 0–13 |
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