Adult Fibrosarcoma
Supplemental Studies
Immunohistology
Fibrosarcoma by definition must not show evidence of specific differentiation
| Actin | variable |
| Desmin | negative |
| CD34 | negative |
| S100 | negative |
| Keratin | negative |
Fibrosarcoma by definition must not show evidence of specific differentiation
| Actin | variable |
| Desmin | negative |
| CD34 | negative |
| S100 | negative |
| Keratin | negative |