PMC5278185_01
H&E stained slide demonstrating stromal infiltration by tumor cells arranged singly, in small clusters, and in single file pattern.
CRIONM2017-7065674.001.jpg
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fig1
Pathology was consistent with metastatic lobular breast carcinoma (Figure 1).
Positive immunohistochemical staining for CK7.
CRIONM2017-7065674.002.jpg
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fig2
Immunoperoxidase stains performed and showed diffuse and strong tumor nuclear staining with estrogen receptor (ER) and strong and diffuse tumor cytoplasmic staining with CK7 (Figures 2 and 3).
Positive immunohistochemical staining for ER.
CRIONM2017-7065674.003.jpg
PMC5278185_01_CRIONM2017-7065674.003.jpg
fig3
Immunoperoxidase stains performed and showed diffuse and strong tumor nuclear staining with estrogen receptor (ER) and strong and diffuse tumor cytoplasmic staining with CK7 (Figures 2 and 3).