Eccrine Spiradenoma Arising from the Breast Skin

Figure 2

Immunoprofile of two-cell populations in eccrine spiradenoma. Basaloid cells are immunoreactive for P63 and calponin (a and c) and larger cells near the center of the clusters are immunoreactive for CK7 and CD117 (C-kit) (b and d). Both cell types are negative for ER, PR, AR, and HER2 expression (not shown).

(a)

(b)

(c)

(d)