Superficial Myofibroblastoma
Supplemental Studies
Immunohistology
| Desmin | 88% |
| Smooth muscle actin | 0-50% |
| CD34 | 50-80% |
| Estrogen receptor | 90% |
| Progesterone receptor | 100% |
- Negative: S100, keratin, EMA, Caldesmon, CD31, HMB45
| Desmin | 88% |
| Smooth muscle actin | 0-50% |
| CD34 | 50-80% |
| Estrogen receptor | 90% |
| Progesterone receptor | 100% |