Fibrocystic breast changes
Fibrocystic breast changes, also fibrocystic changes (abbreviated FCC), are common changes in the breast and considered a normal finding.[1]
General
- Really common - considered a normal finding.[1]
- Benign.
Microscopic
Features:
- Dilated glands - key change.
- Glands normal: two cell layers present.
- Often seen together with apocrine metaplasia.
Images

FCC - intermed. mag. (WC/Nephron)

FCC - high mag. (WC/Nephron)

FCC - left of image - and a phyllodes tumour - very low mag. (WC/Nephron)