Intramuscular Myxoma
Supplemental Studies
Immunohistology
| Vimentin | Positive |
| CD34 | 50% |
| Smooth muscle actin | 10% |
| Desmin | Negative |
| S100 | Negative |
| CD69 | Muciphages positive |
Genetic study
- Gs(alpha) mutation of fibrous dysplasia identified in 5/6 myxomas tested, with and without associated fibrous dysplasia
