Breast Ductal Hyperplasia

**Semantic type:** Neoplastic Process

**Definition:** Hyperplasia of the epithelial cells in the breast ducts. It includes the atypical ductal hyperplasia, papillary intraductal hyperplasia, intraductal myoepitheliosis, and ductal hyperplasia of the usual type.

**Synonyms:** - Breast Epithelial Hyperplasia - Ductal Breast Hyperplasia - Ductal Hyperplasia of Breast - Ductal Hyperplasia of the Breast - Epithelial Hyperplasia of Breast - Epithelial Hyperplasia of the Breast