Table 3.
Summary of cases showing major discrepancy.
| Referral diagnosis | Final Diagnosis | n |
|---|---|---|
| Benign | Malignant (Including locally aggressive, although non-metastasising neoplasms) | |
|
| ||
| Angiomyxoma | Fibromatosis | 1 |
| Nerve sheath tumour | Fibromatosis | 1 |
| Granular cell tumour (benign) | Granular cell tumour (malignant) | 4 (1 patient) |
| Haemangiopericytoma | DDL | 1 |
| Leiomyoma | Leiomyosarcoma | 2 |
| Reactive tissue | Leiomyosarcoma | 1 |
|
| ||
| Malignant (Including locally aggressive although non-metastasising neoplasms) | Benign | |
|
| ||
| Fibromatosis | Scar | 1 |
| Fibromatosis | Nuchal-type fibroma | 1 |
| ALT | Lipoma | 2 |
| MPNST | Atypical neurofibroma | 1 |
| Leiomyosarcoma | BFH | 1 |
| DFSP | BFH | 1 |
| Metastatic renal carcinoma | Clear cell BFH | 1 |
| Angiosarcoma | Haemangioma | 1 |
| GIST | Fibrous tissue only | 1 |
| Leiomyosarcoma | Schwannoma | 1 |
| IMT | Wegener's granulomatosis | 1 |
|
| ||
| Malignant | Malignant | |
|
| ||
| STUMP | Leiomyosarcoma (grade 2) | 2 |
| ESS | Leiomyosarcoma | 1 |
| ESS | Osteosarcoma | 1 |
| GIST | Spindle cell sarcoma | 1 |
| GIST | Spindle RMS | 1 |
| Leiomyosarcoma | MPNST | 1 |
| LGFMS | Fibromatosis | 1 |
| LGFMS | DDL | 1 |
| Synovial sarcoma | Malignant neoplasm | 1 |
|
| ||
| Benign | Benign | |
|
| ||
| Schwannoma | Benign naevus | 1 |
|
| ||
| Mesenchymal | Non-mesenchymal | |
|
| ||
| UPS | Carcinosarcoma | 4 |
| Synovial sarcoma | Carcinosarcoma | 1 |
| Chondrosarcoma | Carcinosarcoma | 1 |
| Leiomyosarcoma | Carcinosarcoma | 1 |
| Sarcoma | Seminoma | 1 |
| MPNST | Melanoma | 2 |
| Non-mesenchymal | Mesenchymal | |
|
| ||
| Carcinoma | Pleomorphic RMS | 1 |
| Carcinoma | Spindle cell sarcoma | 1 |
| Lymphoma | SFT | 1 |
|
| ||
| Non-mesenchymal | Non-mesenchymal | |
|
| ||
| Undifferentiated carcinoma | Prostatic carcinoma | 1 |
|
| ||
| Grade | Grade | |
|
| ||
| GIST grade 2/3 | GIST 1 | 2 |
| Leiomyosarcoma 2/3 | Leiomyosarcoma 1 | 2 |
| Leiomyosarcoma 1 | Leiomyosarcoma 2 | 1 |
| Myxofibrosarcoma 2 | Myxofibrosarcoma 1 | 1 |
| WDL | DDL grade 2 | 1 |
| High grade sarcoma | ESS | 1 |
Abbreviations: ALT atypical lipomatous tumour; BFH benign fibrous histiocytoma; DFSP dermatofibrosarcoma protuberans; DDL dedifferentiated liposarcoma; ESS endometrial stromal sarcoma; GIST gastrointestinal stromal tumour; IMT inflammatory myofibroblastic tumour; LGFMS low grade fibromyxoid sarcoma; MPNST malignant peripheral nerve sheath tumour; RMS rhabdomyosarcoma; SFT solitary fibrous tumour; STUMP smooth muscle tumour of uncertain malignant potential; UPS undifferentiated pleomorphic sarcoma; WDL well differentiated liposarcoma.