PMC4923530_01
Photography of recurrent tumor in the right breast beneath the previous site of resection. Note the nodule under the scar deforming the overlying skin.
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fig1
The mass had well-defined borders and was not fixed to superficial or deep tissue (Figure 1).
Pale yellow, firm, solid, lobulated, poorly defined mass, of 2.8 cm in length and 2.5 in width, covered by mature adipose tissue.
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fig2
The macroscopic appearance of the tumor was of a pale yellow, firm, solid, lobulated, poorly defined mass, of 2.8 cm in length and 2.5 in width, covered by mature adipose tissue (Figure 2).
Cystic tumor portion where keratin amorphous deposits are observed (H and E, x10).
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fig3
The cystic part presented a wall showing stratified squamous epithelium, multiple pleomorphic mitotic cells, and intraluminal keratin deposits (Figures 3 and 4).
High magnification micrograph showing squamous epithelium keratinization (H and E, x20).
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fig4
The cystic part presented a wall showing stratified squamous epithelium, multiple pleomorphic mitotic cells, and intraluminal keratin deposits (Figures 3 and 4).
Photomicrograph showing epithelial cell nests in the stroma with desmoplastic reaction (H and E, x10).
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fig5
In some areas of the adjacent stroma, the pathologist observed squamous epithelial cell nests, with desmoplastic reaction and lymphocytic proliferation (Figure 5).