Sclerosing Polycystic Adenosis
Embedded in sclerotic and hyalinized stroma are ducts and glands, some lined by apocrine cells (the largest duct in the center is lined by cells with apical snout-like projections, i.e. apocrine type of secretion). Image courtesy of: Dr. Simon Chiosea, Associate Professor of Pathology, Univ. of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.