PMC4294633_01
FNAC showing loosely cohesive ductal atypical epithelial cells:atypical epithelial hyperplasia.
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Cytology (FNAC) was planned and performed. Cytology revealed atypical epithelial cells with absence of bare nuclei and reported it as atypical epithelial hyperplasia (Fig. 1).
Prominent solid, microcystic, and focally tubuloglandular patterns of growth with intact myoepithelial layer (10x).
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The core biopsy revealed prominent solid, microcystic, and focally tubuloglandular patterns of growth with intact myoepithelial layer (Fig. 2).
Tumor cells showing cytoplasmic positivity for CK7.
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On immunohistochemical evaluation, the tumor cells were immunopositive for CK7 expression (Fig. 3) and myoepithelial cells were positive for p63 (Fig. 4).