Mammary duct ectasia is a benign condition where the walls of a breast milk duct become thicker and wider than normal. The duct becomes blocked and fluid builds up behind the blockage. It may occur in one or both breasts.
Mammary duct ectasia is more common in women between the ages of 40 and 50. It does not increase a woman’s risk of developing breast cancer.
The signs and symptoms of mammary duct ectasia may include:
If the signs and symptoms of mammary duct ectasia are present, or if the doctor suspects mammary duct ectasia, tests will be done to make a diagnosis. Tests may include:
Mammary duct ectasia usually goes away on its own without treatment. The doctor may suggest supportive care measures that treat the symptoms of pain and discomfort:
If mammary duct ectasia does not improve on its own, treatment options may include: