Table 1.
Immunohistochemical profile of primary liver PEComa case.
| Marker | Positive Cells (%) |
|---|---|
| Melanocytic markers | |
| HMB45 | 100 |
| Melan-A/MART1 | 30 |
| MiTF | - |
| S100 | - |
| TFE3 | - |
| Smooth muscle markers | |
| SMA | 100 |
| Desmin | 60 |
| H-caldesmon | 90 |
| Other markers | |
| CD68 | 100 |
| CD117 | Several |
| DOG1 | - |
| Ki67 | <1 |
HMB45, human melanoma black 45; MART1, melanoma antigen recognized by T cells; MiFT, microphthalmia transcription factor; TFE3, transcription factor E3; SMA, smooth muscle actin; DOG1, discovered on gastrointestinal stromal tumors protein 1.