Superficial Angiomyxoma
Supplemental Studies
Immunohistology
| CD34 | 100% |
| Smooth muscle actin | 0-90% |
| Muscle specific actin | 67% |
| S100 | 0-40% |
| Factor XIIIa | 60% |
- Negative: keratin, desmin, GFAP, ER, PR
| CD34 | 100% |
| Smooth muscle actin | 0-90% |
| Muscle specific actin | 67% |
| S100 | 0-40% |
| Factor XIIIa | 60% |