Table 2.
Summary of cases showing minor discrepancy.
| Referral diagnosis | Final diagnosis | n |
|---|---|---|
| Malignant | Malignant | |
|
| ||
| DFSP | DFSP with fibrosarcoma | 5 |
| DFSP with fibrosarcoma | Fibrosarcoma | 1 |
| DFSP with fibrosarcoma | Spindle cell sarcoma | 1 |
| Malignant SFT | Fibrosarcoma | 1 |
| Fibrosarcoma | MPNST | 1 |
| Myxoinflammatory fibrosarcoma | Myxofibrosarcoma | 1 |
| Myxoid liposarcoma | Myxofibrosarcoma | 1 |
| Spindle cell sarcoma | Myxofibrosarcoma | 1 |
| RMS NOS | Embryonal RMS | 1 |
| RMS NOS | Pleomorphic RMS | 1 |
| RMS NOS | Myoid sarcoma | 1 |
| Myoid sarcoma | Pleomorphic RMS | 1 |
| Leiomyosarcoma | Myoid sarcoma | 4 |
| Leiomyosarcoma | Spindle cell sarcoma | 1 |
| Leiomyosarcoma | Undifferentiated neoplasm | 1 |
| Leiomyosarcoma | Myofibrosarcoma | 1 |
| MPNST | Clear cell sarcoma | 1 |
| Undifferentiated neoplasm | Clear cell sarcoma | 1 |
| PEComa, ?atypical features | PEComa, malignant | 2 |
| DDL | Spindle cell sarcoma | 1 |
| Sarcoma | Malignant neoplasm | 2 |
| Extraskeletal myxoid chondrosarcoma | Malignant neoplasm | 1 |
|
| ||
| Benign | Benign | |
|
| ||
| Spindle cell lesion | Myxoma | 1 |
| Myxoid lesion | Myxoma | 1 |
| Benign neoplasm | Ossifying fibromyxoid tumour | 1 |
| Spindle cell lesion | Neurofibroma | 1 |
| Giant cell tumour of tendon sheath | Ossifying fibroma | 1 |
| SFT | Schwannoma | 1 |
| Fibrosis | Benign smooth muscle tumour | 1 |
|
| ||
| Grade | Grade | |
|
| ||
| GIST 2 | GIST 3 | 1 |
| GIST 3 | GIST 2 | 1 |
| Spindle cell sarcoma 3 | Myxofibrosarcoma 2 | 1 |
DFSP: dermatofibrosarcoma protuberans; DDL: dedifferentiated liposarcoma; GIST: gastrointestinal stromal tumour; MPNST: malignant peripheral nerve sheath tumour; NOS: not otherwise specified; RMS: rhabdomyosarcoma; SFT: solitary fibrous tumour.