Nodular Mucinosis of the Breast
Supplemental Studies
Immunohistology
Keratin | Negative |
EMA | Negative |
S100 | Variable |
Smooth muscle actin | Variable |
Synaptophysin | Negative |
Chromogranin | Negative |
MIB1 | <1% |
Histochemical stains
Myxoid tissue staining:Alcian Blue |
Positive |
Hale Colloidal Iron |
Positive |
Mucicarmine |
Faint |
PAS |
Negative |