If abnormal changes of the nipple with breast cancer, usually presents nipple erosion or nipple retraction.
1. Nipple erosion: There is a typical expression of breast Paget’s disease, often accompanied by itching, about 2 / 3 of patients may be associated with other parts of the areola or breast lumps. Start, only the nipple or nipple desquamation of small fissures. Scaling often accompanied by a small amount of nipple discharge and form scabs, thrown off crusts visible red erosion surface, prolonged unhealed. When the whole nipple involvement, may enter an invasion and the surrounding tissue, as the lesions progress, the nipple can be gained from the entire disappear. May also occur in some patients the first breast lumps, nipple lesions subsequently appeared.
2. Nipple retraction: When the tumor invaded zone under the nipple or areola, breast, fibrous tissue and the duct system can be shortened, pulling the nipple to depression, bias, or even shrink back into the areola. At this point, the affected side than the contralateral nipple often higher. May appear in early breast cancer, but sometimes it is also a late signs, depending on the growth of tumor site. When the tumor near the nipple or under the early days can occur; When the tumor is located in the deep breast tissue away from the nipple, when far, there is usually at an advanced stage of this signs. Of course, nipple retraction, depression, not all malignant lesions, partially caused by congenital dysplasia or chronic inflammation caused by this time, nipple finger pull-out, non-fixed.
