Mesenteric Fibromatosis
Supplemental Studies
Immunohistology
| Actin | 50% |
| Desmin | usually negative, occasionally focal |
| Beta-catenin | 90% |
| CD117 | CD117 frequently negative, variable reports of focal/weak staining |
| CD34 | negative |
| S100 | negative |
| Keratin | negative |
| Estrogen receptor | 0-10% |
| Progesterone receptor | 0-25% |
Reports of frequent strong reaction for CD117 appear to be due to a cross-reacting antibody (Miettinen 2001)
