Stephen J. Schueler, M.D.

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Mammary Duct Ectasia 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:

  • Breast milk glands
  • Breast lymphatic tissues
  • Breast surface anatomy
  • Breast external and internal anatomy

Last Updated: Nov 4, 2008 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Mammary Duct Ectasia References
  1. Kitahara S, Wakabayashi M, Shiba T, Nonaka K, Nonaka H, Kobayashi I. Mammary duct ectasia in children presenting bloody nipple discharge: a case in a pubertal girl. J Pediatr Surg. 2001 Jun;36(6):E2. [11381445]
  2. Leung AK, Kao CP. Mammary duct ectasia: a cause of bloody nipple discharge. J Natl Med Assoc. 2004 Apr;96(4):543-5. [15101674]
  3. Sakorafas GH. Nipple discharge: current diagnostic and therapeutic approaches. Cancer Treat Rev. 2001 Oct;27(5):275-82. [11871863]
  4. Weimann E. Clinical management of nipple discharge in neonates and children. J Paediatr Child Health. 2003 Mar;39(2):155-6. [12603810]
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