Sep 10, 2019 · Fibrosis and Simple Cysts in the Breast Many breast lumps turn out to be caused by fibrosis and/or cysts, which are non-cancerous (benign) changes in breast tissue that many women get at some time in their lives. These changes are sometimes called fibrocystic changes, and used to be called fibrocystic disease.Last Revised: September 20, 2017.
Fibrocystic disease is a type of benign breast disease, which means it isn't cancer. Many breast lumps are due to fibrocystic changes. The lumps can be caused by a collection of fibrous tissue in an area of the breast. Fibrous tissue is the same tissue that ligaments and scar tissue are made of.
Oct 16, 2018 · Fibrocystic breast changes are pretty routine, they don’t require treatment, and they don’t raise your risk of breast cancer. Fibrocystic breast changes are common; about one-half of all women will experience them at some point in their lives. These changes usually occur in premenopausal women and are affected by shifts in hormone levels.
Though it’s tempting to panic when you feel cysts in your breasts, fibrocystic breast change is not cancer and does not increase your risk of cancer. Dense breast tissue, which sometimes accompanies fibrocystic changes, has been linked to an increased risk of cancer, however.