Lipomatous tumors WHO classification of STTs 2020
| Type | Classification of lipomatous tumors |
|---|---|
| Benign | Lipoma, lipomatosis, lipomatosis of nerve, lipoblastoma and lipoblastomatosis, angiolipoma, myolipoma of soft tissue, chondroid lipoma, spindle cell lipoma and pleomorphic lipoma, hibernoma, atypical spindle cell/pleomorphic lipomatous tumor |
| Intermediate | ALT/WD-LPS |
| Malignant | DD-LPS, M-LPS, PM-LPS, MPM-LPS |
ALT: atypical lipomatous tumor; WD-LPS: well-differentiated liposarcoma; DD-LPS: dedifferentiated liposarcoma; M-LPS: myxoid liposarcoma; PM-LPS: pleomorphic liposarcoma; MPM-LPS: myxoid pleomorphic liposarcoma