Elastofibroma
Supplemental Studies
Immunohistology
| CD34 | 100% positive, ranging from scant to abundant |
| Vimentin | 100% |
| Factor XIIIa | 100% |
| Lysozyme | 85% |
| Calponin | Negative |
| Desmin | Negative |
| Actin and Smooth muscle actin | Negative |
| S100 | Negative |
| CD34 | 100% positive, ranging from scant to abundant |
| Vimentin | 100% |
| Factor XIIIa | 100% |
| Lysozyme | 85% |
| Calponin | Negative |
| Desmin | Negative |
| Actin and Smooth muscle actin | Negative |
| S100 | Negative |