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