40-year-old female, palpable, mobile breast masses, mammography shows well demarcated, loosened lump. No cytological signs of malignancy.
- Inter- and intralobular fibrosis
- The acini, ductules and ducts are mildly to moderately cystically dilated.
- Two layers of cell lining (epithelial- and myoepithelial cells) can be recognised.
- Numerous gland structures with intraluminal, pseudopapillary, light shaded eosinophils (apocrine metaplasia)
- Some cysts filled with fluid