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

Figure 6

Histopathologic comparison of cylindroma with adenoid cystic carcinoma: (a) high magnification of cutaneous adnexal cylindroma of the breast showing small, dense, and eosinophilic cylinders of basement membrane material sprinkled throughout an epithelial island, H&E stain, 400x; (b) high magnification of a comparison case of mammary adenoid cystic carcinoma with a cribriform growth pattern and larger amphophilic accumulations of basement membrane material, H&E stain, 400x.

(a)

(b)