Fibrocystic disease occurs when there are fluid-filled cystic lumps of duct tissue. These lumps are surrounded by a scar-like capsule of tissue in the breasts.
Although harmless, these lumps can sometimes be the site of pain ( mastalgia) that recurs late in each menstrual cycle. The greatest problem with fibrocystic disease is telling the difference between this condition and breast cancer.
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The glandular tissue of the breasts cycles monthly with menstrual periods. It enlarges to prepare for a pregnancy, and then shrinks if one does not occur. This cycling causes cysts and excess fibrous tissue to build up. Virtually all women will have some form of this condition during their reproductive years. However, most women will not seek treatment.
Last reviewedJuly 2013by Andrea Chisholm; Brian Randall, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.