Table 2b.
Sarcoma Histology Subtypes. The most common HRR subtypes were de-differentiated and well-differentiated liposarcoma. The most common CRR subtypes were pleomorphic sarcoma and giant cell sarcoma.
| Non-myxoid liposarcoma histology subtypes (n=67) | N | % |
|---|---|---|
| Liposarcoma, NOS | 11 | 16.4% |
| Well-Differentiated Liposarcoma | 17 | 25.4% |
| Pleomorphic Liposarcoma | 11 | 16.4% |
| De-differentiated Liposarcoma | 28 | 41.8% |
| Other sarcoma histology subtypes (n=332) | N | % |
|---|---|---|
| Alveolar soft part sarcoma | 1 | 0.3% |
| Angiosarcoma | 19 | 5.7% |
| Extraskeletal chondrosarcoma | 9 | 2.7% |
| Dermatofibrosarcoma, NOS | 1 | 0.3% |
| Epitheloid sarcoma | 1 | 0.3% |
| Extraskeletal Ewing sarcoma | 5 | 1.5% |
| Fibromyxosarcoma | 32 | 9.6% |
| Fibrosarcoma, NOS | 7 | 2.1% |
| Leiomyosarcoma | 29 | 8.7% |
| Malignant solitary fibrous tumor | 2 | 0.6% |
| Malignant peripheral nerve sheath tumor | 7 | 2.1% |
| Myxoid sarcoma (NOS) | 2 | 0.6% |
| Extraskeletal osteosarcoma | 3 | 0.9% |
| Undifferentiated pleomorphic sarcoma | 88 | 26.5% |
| Primitive neuroectodermal tumor | 2 | 0.6% |
| Rhabdomyosarcoma | 6 | 1.8% |
| Sarcoma, NOS | 32 | 9.6% |
| Spindle cell Sarcoma | 32 | 9.6% |
| Stromal sarcoma | 9 | 2.7% |
| Synovial sarcoma | 24 | 7.2% |
| Undifferentiated sarcoma | 21 | 6.3% |