Table 5.
The clinical and immunohistochemistry data of finally diagnosed synovial sarcomas (SS) and non‐synovial sarcomas (non‐SS) from potential cases
| Parameter | Final diagnosis | χ2 | P | ||
|---|---|---|---|---|---|
| SS | Non‐SS | ||||
| Sex | Male | 58 | 11 | 0.361 | 0.548 |
| Female | 48 | 12 | |||
| Tumor size | < 5 cm | 37 | 10 | 0.600 | 0.439 |
| ≥ 5 cm | 69 | 13 | |||
| Tumor site | Extremity | 82 | 18 | 0.009 | 0.925 |
| Trunk | 24 | 5 | |||
| CK | Positive | 55 | 8 | 2.213 | 0.137 |
| Negative | 51 | 15 | |||
| EMA | Positive | 65 | 8 | 5.418 | 0.020 |
| Negative | 41 | 15 | |||
| Vimentin | Positive | 106 | 23 | / | / |
| Negative | 0 | 0 | |||
| NSE | Positive | 24 | 7 | 1.392 | 0.238 |
| Negative | 42 | 6 | |||
| S‐100 | Positive | 36 | 10 | 2.236 | 0.135 |
| Negative | 30 | 3 | |||
| CD99 | Positive | 21 | 5 | 0.596 | 0.440 |
| Negative | 23 | 3 | |||
| Myoglobin | Positive | 0 | 1 | 3.529 | 0.060 |
| Negative | 12 | 2 | |||
| SMA | Positive | 0 | 1 | 1.780 | 0.182 |
| Negative | 5 | 3 | |||
| CD68 | Positive | 0 | 3 | 1.434 | 0.231 |
| Negative | 2 | 6 | |||
| Mesothelial cell | Positive | 0 | 0 | / | / |
| Negative | 2 | 4 | |||
CK, cytokeratin; EMA, epithelial membrane antigen; NSE, neurone specific enolase; CD, cluster of differentiation; SMA, smooth muscle antigen.