Case 16: UDH

Case 16: UDH

This is an example of ✨ usual ductal hyperplasia (UDH) ✨, a benign intraductal proliferation. Key points:

πŸ“Œ Associated with a 1.5 - 2 times increase in risk for subsequent breast cancer

πŸ“Œ Progenitor epithelial cells (CK5+ in a moisaic to diffuse pattern)

Other features labeled in the photo

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