Male Breast Cancer Treatment (PDQ®) General Information about
Male Breast Cancer Breast cancer may occur in men. Men at any
age may develop breast cancer, but it is usually detected
(found) in men between 60 and 70 years of age. Male breast
cancer makes up less than 1% of all cases of breast cancer. The
following types of breast cancer are found in men: -
Infiltrating ductal carcinoma: Cancer that has spread beyond the
cells lining ducts in the breast. Most men with breast cancer
have this type of cancer. - Ductal carcinoma in situ: Abnormal
cells that are found in the lining of a duct; also called
intraductal carcinoma. - Inflammatory breast cancer: A type of
cancer in which the breast looks red and swollen and feels warm.
- Paget disease of the nipple: A tumor that has grown from ducts
beneath the nipple onto the surface of the nipple. Anything that
increases your risk of getting a disease is called a risk
factor. Having a risk factor does not mean that you will get
cancer; not having risk factors doesn't m