This is what I have found:
Many women have received an email warning that a "new form of breast cancer" starts as a rash on a woman's breast, instead of showing up as a lump. According to the email, a young woman developed a rash, similar to that of young nursing mothers. The rash was treated with antibiotics, but did not clear up. Her doctor sent her for a mammogram, which showed a mass in her breast. The mass turned out to be cancer, a type called "Paget's disease of the breast."
This Internet story is actually based on truth. Although this type of breast cancer is not "new," it is rare. According to information on the National Cancer Institute's website (
www.nci.nih.gov), Paget's disease of the breast is a rare form of breast cancer that makes up 1 to 4 percent of all breast cancer cases. The NCI site reports that scientists are not sure how the disease occurs, but there are two theories. One theory is that cells from a tumor in the breast move through the milk ducts to the skin of the nipple; the other theory is that skin cells on the nipple spontaneously become cancerous.
The signs of Paget's disease include scaling and crusting lesions on the skin of the nipple or areola, discharge, nipple inversion, flattening of the nipple or a lump. Paget's disease of the breast is often confused with skin conditions like eczema. It usually affects women who are middle-aged, but can occur later. It can also very rarely affect men.
Also checked merican Cancer Society and they said its very rare but can often be misdiagnosed. Just wanted everyone to be aware that there are other forms than just the more publisized lumps in the breast.