Surgical Pathology Criteria

Pleomorphic Adenoma of the Breast

Supplemental Studies

Immunohistology

Epithelial Cells Myoepithelial Cells Cells in Myxoid Stroma
Keratin + + +
S100 + + +
Actin - + +
GFAP + + +
GCDFP15 + + +
ER + + -
There is considerable merging between cell types and some of the phenotypic differences above are inconsistent

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