Table 3 Contrast-enhanced ultrasound findings of recurrent dermatofibrosarcoma protuberans (DFSP) and post-resection scar
Indicator | Recurrent DFSP | Post-resection scar | P |
|---|---|---|---|
Lesion No. | 25 | 21 | |
Homogeneity, n (%) | |||
Homogeneous | 7 (28) | 21 (100) | 0.000 |
Heterogeneous | 18 (72) | 0 (0) | |
Enhancement intensity, n (%) | |||
Iso-enhancement | 3 (12) | 16 (76.2) | 0.000 |
Hyper-enhancement | 22 (88) | 5 (23.8) | |
Time Peak (s) | 38.5 ± 15.7 | 44.1 ± 22.9 | 0.133 |
Peak | 23.5 ± 9.4 | 15.1 ± 8.7 | 0.016 |
Sharpness | 0.104 ± 0.032 | 0.025 ± 0.066 | 0.000 |