Ninety percent of lumps are benign and can be due to a whole host of causes, from menstruation to cysts to remnants of an old injury. Many women get lumps and other changes in their breasts before and during their period. These are relatively easy to recognize because they come and go in rhythm with your menstrual cycle.
Back to Health A to Z. If you feel a lump in your breast, you should always get it checked by a GP. Most breast lumps are harmless but some can be serious.
Women's Health Benign breast lumps. For many women, feeling a lump in their breast can be quite a frightening experience. For most women, their first thought is cancer.
If you feel a lump in your breast, try not to panic or worry. Most lumps are not breast cancer, but something less serious, such as a benign not cancer breast condition. Some lumps will go away on their own.
There are many possible causes of non-cancerous benign breast lumps. Two of the most common causes of benign single breast lumps are cysts and fibroadenomas. In addition, several other conditions can present themselves as lumps, such as fat necrosis and sclerosing adenosis.
Causes shown here are commonly associated with this symptom. Work with your doctor or other health care professional for an accurate diagnosis. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Breast lumps are swellings or areas of thicker tissue in your breasts. Or, a lump might be found if you have a mammogram as part of routine breast screening. In fact, about nine out of 10 lumps that women can feel themselves in their breasts turn out not to be cancer.