BREAST CYTOPATHOLOGY

48 2. Non-neoplastic and Proliferative Lesions
Figure 2.31. Gynecomastia. A large fragment of hyperplastic ductal
epithelium with a vague papillary and cribriform architecture is
seen. Note the presence of numerous naked myoepithelial cells in
the background. (Smear, Papanicolaou.)
Figure 2.32. Gynecomastia. A biphasic architecture composed
of cohesive hyperplastic ductal epithelium and myxoid stroma.
Numerous myoepithelial cells are seen in the background. (Smear,
Diff-Quik.)