Fig. 6 | Modern Pathology

Fig. 6

From: Solid papillary carcinoma with reverse polarity of the breast harbors specific morphologic, immunohistochemical and molecular profile in comparison with other benign or malignant papillary lesions of the breast: a comparative study of 9 additional cases

Fig. 6

Immunohistochemical findings of solid papillary carcinoma with reverse polarity. a Diffuse and strong cytoplasmic immunostaining in tumor cells for CK5/6. b Negativity for myoepithelial markers as p63. c Negativity for myoepithelial markers as calponin. d Diffuse and strong immunostaining for calretinin. e Low and weak nuclear immunostaining for estrogen receptor in tumor cells. f Low Ki67 proliferation index in tumor cells

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