Superficial Acral (Digital) Fibromyxoma
Supplemental Studies
Immunohistology
| CD34 | 70-90% strong pos |
| CD99 | 80% |
| EMA | 7-70% |
| Smooth muscle actin | 0-10% |
| S100, MUC4, keratin | negative |
Genetic Studies
- No GNAS1 activating mutations
- No t(7;16) or t(11;16) or t(17;22)
