PMC4393957_01
MGG stained cytology after a fine needle aspiration showing isolated apocrine cells with a large irregular nucleus, and abundant cytoplasm. The background is hemorrhagic
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F0001
We did not observe myoepithelial cells and the background is necrotic and hemorrhagic (Figure 1).
Carcinomatous proliferation forming clusters of cells with a large irregular nucleus, a prominent nucleoli and clear cytoplasmic borders (HES x100)
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F0002
Cytoplasmic borders are clear (Figure 2, Figure 3).
Type A cells are distinguished with abundant granular eosinophilic cytoplasm and type B cells with a micro-vacuolar cytoplasm (HES x200)
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F0003
Cytoplasmic borders are clear (Figure 2, Figure 3).
Immunohistochemical study shows a GCDFP-15 cytoplasmic expression in tumor cells
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An immunohistochemical study showed that tumor cells express GCDFP-15 (Figure 4), but do not express estrogenic and progesterone receptors, nor Her 2.