Paget disease of the breast is a form of breast cancer that affects the skin of the nipple. The cause of Paget disease of the breast is poorly understood, but it may be related to tumor cells from other sites in the breast traveling through the milk ducts to the nipple. Symptoms and signs of Paget disease of the breast can be similar to those of benign skin conditions and can include itching, redness, thickening, or cr  Read More