PMC3970370_01
Papillomatosis, x40.
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fig1
Histology of the breast tissue included major nipple ducts in the breast tissue, several of which showed florid epithelial hyperplasia with papillary hyperplasia in some areas (Figure 1).
Area of necrosis, x200.
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fig2
Ducts expanded and occluded by solid sheets of cells with focal necrosis were also seen, with periductal fibrosis (Figure 2).
Areas of apocrine change, x200.
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fig3
Apocrine changes were focally seen (Figure 3).
CK 5/6 immunostaining, x200.
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fig4
Immunostaining showed strong membranous staining with CK 5/6, indicating preservation of basal/myoepithelial layer (Figures 4 and 5).
CK 5/6 immunostaining, x200.
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fig5
Immunostaining showed strong membranous staining with CK 5/6, indicating preservation of basal/myoepithelial layer (Figures 4 and 5).