Breast Intraductal Papilloma

**Semantic type:** Neoplastic Process

**Definition:** A benign papillary neoplasm that arises anywhere in the ductal system of the breast. It is characterized by the presence of fibrovascular structures lined by benign epithelial and myoepithelial proliferations. Intraductal breast papillomas are classified as central, when they arise in large ducts, or peripheral, when they arise in the terminal ductal lobular units.

**Synonyms:** - Breast Intracystic Papilloma - Breast Papilloma - Duct Papilloma of Breast - Duct Papilloma of the Breast - Ductal Breast Papilloma - Intracystic Papilloma - Intracystic papillary adenoma - Intracystic papilloma - Intraductal Breast Papilloma - Intraductal Papilloma of Breast - Intraductal Papilloma of the Breast - Papilloma of Breast - Papilloma of the Breast - intraductal breast papilloma