Breast Cancer

Atypical Hyperplasia is a condition in which abnormal breast cells are found in either the breast lobules (atypical lobular hyperplasia) or the breast ducts (atypical ductal hyperplasia). Atypical hyperplasia is not cancer. But having it increases breast... Full Answer

Breast cancer risk is higher among women whose close blood relatives have this disease. Having one first-degree relative (mother, sister, or daughter) with breast cancer approximately doubles a woman's risk. Having two first-degree relatives increases... Full Answer

There are several types of breast cancer, although some of them are quite rare. In some cases a single breast tumor can have a combination of these types or have a mixture of invasive and in situ cancer. Ductal carcinoma in situ Ductal carcinoma in situ... Full Answer

Before mammography became the widely used breast cancer screening tool it is today, ductal carcinoma in situ, or DCIS, was a rare diagnosis. DCIS is a diagnosis given to women who have abnormal cells confined to milk ducts branching through the breast.... Full Answer

Invasive ductal carcinoma (IDC), also known as infiltrating ductal carcinoma, is cancer that begins growing in the breast duct and then invades the fatty tissue of the breast outside of the duct. IDC is the most common form of breast cancer, representing... Full Answer

Invasive lobular carcinoma (ILC), which is also known as infiltrating lobular carcinoma, is the second most common form of invasive breast cancer diagnosed in the United States, representing 10-15 percent of diagnosed cases. Invasive breast cancers are... Full Answer

Inflammatory breast cancer, or IBC, is rare, accounting for 1–3% of all breast cancers. This type of cancer is distinct from other types, with major differences in symptoms, prognosis and treatment. IBC is a unique type of breast cancer that... Full Answer

Male breast cancer occurs when malignant cells form in the tissues of the breast. Any man can develop breast cancer, but it is most common among men who are 60–70 years of age. About 1% of all breast cancers occur in men. About 2,000 men... Full Answer

Factors that can increase the risk of breast cancer in men include: Klinefelter's syndrome - A genetic disease where men have an extra X (female) chromosome that causes higher estrogen and lower testosterone levels.Liver cirrhosis - Since the... Full Answer

Research on families with very strong patterns of breast and ovarian cancer led to the discovery of breast cancer gene 1 (BRCA1) on chromosome 17 and breast cancer gene 2 (BRCA2) on chromosome 13. BRCA1 and BRCA2 are normal genes carried by all... Full Answer