Adenomyoepithelioma of the Breast
Supplemental Studies
Immunohistology
| |
Epithelial Cells |
Myoepithelial Cells |
| Keratin |
Positive |
Variable |
| EMA |
Positive |
Positive, variable |
| p63 |
Negative |
Positive |
| Calponin |
Negative |
Positive, variable |
| Smooth muscle actin |
Negative |
Positive, variable |
| Muscle specific actin |
Negative |
Positive, variable |
| Desmin |
Negative |
Positive, variable |
| CD10 |
Negative |
Positive, variable |
| GFAP |
Negative |
Positive, variable |
| S100 |
Negative |
Positive, variable |
Histochemistry
- PAS stain demonstrates glycogen in myoepithelial cells