NCIt synonyms : Juvenile Papillomatosis of the Breast; Juvenile Papillomatosis of Breast; Swiss Cheese Disease;
NCIt definition : A benign, usually solitary, well circumscribed multicystic neoplasm that arises from
the breast and typically affects young females. The cysts are lined by papillary proliferations
that contain epithelial and myoepithelial layers. In a minority of cases, atypia may
be present.;
Alternative definition : NICHD: A rare, localized, proliferative process in the breast, in which multiple peripheral
papillomas are present (in peripheral ducts). It is a marker for familial breast cancer,
and is associated with carcinoma in up to 15% of the cases.;