Duct Ectasia Breast Anatomy
To better understand mammary duct ectasia, it helps to understand the anatomy of the breast.
Breasts are made of fat and milk glands. Small passageways, called ducts, deliver milk from the glands, to the nipple. Lymphatic tissue provides a passageway for cell waste to drain from the breast.
Examples of breast anatomy:
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- Leung AK, Kao CP. Mammary duct ectasia: a cause of bloody nipple discharge. J Natl Med Assoc. 2004 Apr;96(4):543-5. 
- Sakorafas GH. Nipple discharge: current diagnostic and therapeutic approaches. Cancer Treat Rev. 2001 Oct;27(5):275-82. 
- Weimann E. Clinical management of nipple discharge in neonates and children. J Paediatr Child Health. 2003 Mar;39(2):155-6.