Paget's Disease, Mammary

**Definition:** An intraductal in situ carcinoma of the breast, characterized clinically by eczema-like inflammatory skin changes and histologically by infiltration of the dermis by malignant cells (Paget's cells).

**Tree numbers:** - C04.557.470.200.240.187.500 - C04.557.470.615.275.625

**Synonyms:** - Paget Disease of Breast - Paget's Disease of Breast - Mammary Paget Disease - Mammary Paget's Disease - Paget Disease, Mammary - Paget's Disease of the Nipple and Areola - Paget's Disease of the Nipple - Pigmented Mammary Paget Disease - Paget's Disease of the Breast