Surgical Pathology Criteria

Metaplastic Carcinoma of the Breast

Supplemental Studies

Immunohistology

Laminin 5 96%
p63 57-86%
CK5/6 50-86%
CD10 85%
Smooth muscle actin 60%
S100 45%
Squamous and mesenchymal elements and in most cases ductal elements all stained

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