Table 4
Immunohistochemical reactivity in 8 cases of DFSP-FS and DFSP-MFH
| Case | Tumour phase (presentation) | Vimentin (DFSP and sarcoma) | CD34 (sarcoma) | CD34 (DFSP) | FXIIIa (sarcoma) | FXIIIa (DFSP) | Desmin | α -SMA |
|---|---|---|---|---|---|---|---|---|
| DFSP, dermatofibrosarcoma protuberans; FS, fibrosarcoma; FXIIIa, factor XIIIa; MFH, malignant fibrous histiocytoma; α-SMA, α smooth muscle actin. | ||||||||
| 1 | Original | + | − | ++ | − | + | − | − |
| 2 | Original | + | + | +++ | − | + | − | − |
| 3 | Original | + | − | ++ | ++ | + | − | − |
| 1st recurrence | + | − | ++ | ++ | + | − | − | |
| 2nd recurrence | + | − | +++ | +++ | ++ | − | − | |
| 4 | Original | + | + | +++ | − | + | − | − |
| 1st recurrence | + | − | +++ | − | + | − | − | |
| 5 | Original | + | − | +++ | − | + | − | − |
| 6 | Original | + | − | ++ | +++ | + | − | − |
| 1st recurrence | + | − | ++ | +++ | + | − | − | |
| 2nd recurrence | + | − | ++ | +++ | ++ | − | − | |
| 3rd recurrence | + | − | ++ | ++ | + | − | − | |
| 7 | Original | + | + | +++ | − | + | − | − |
| 8 | Original | + | − | +++ | − | + | − | − |
