Cutaneous Adnexal Cylindroma of Breast: Epithelial Immunoreactivities for GATA-3, Mammaglobin, and E-Cadherin Do Not Equate to a Mammary Ductal Neoplasm

Figure 2

Histopathologic findings: (a) low magnification of skin surface showing intact, thinned epidermis with narrow grenz zone of uninvolved papillary dermis and subjacent epithelial proliferation of basaloid lesional cell nests arranged in a “jigsaw pattern,” H&E stain, 40x; (b) low magnification of deep edge of tumor with basaloid nests pushing into subcutaneous adipose tissue, H&E stain, 40x.

(a)

(b)