HER2-Positive Metaplastic Spindle Cell Carcinoma Associated with Synchronous Bilateral Apocrine Carcinoma of the Breast
Figure 2
Histological features of apocrine carcinoma in the left breast. ((a) and (b)) HE. The tumor cells had abundant eosinophilic cytoplasm and apocrine snouts. (c) Tumor cells expressed androgen receptors in their nuclei. (d) The intraductal component is represented by a continuous myoepithelial cell layer detected by CD10 staining.
