| Trichoepithelioma | Bcl-2 | CD10 | CD34 | |||||||||
| Immune reactivity | Stromal | % | Tumor | % | Stromal | % | Tumor | % | Stromal | % | Tumor | % |
| (0) | 8 | 66.6% | 0 | 0% | 5 | 41.6% | 7 | 58.3% | 2 | 16.6% | 12 | 100% |
| (1+) | 2 | 16.6% | 5 | 41.6% | 5 | 41.6% | 4 | 33.3% | 6 | 50% | 0 | 0% |
| (2+) | 2 | 16.6% | 7 | 58.3% | 2 | 16.6% | 1 | 8.3% | 4 | 33.3% | 0 | 0% |
| Total | 12 | 100% | 12 | 100% | 12 | 100% | 12 | 100% | 12 | 100% | 12 | 100% |