Stephen J. Schueler, M.D.

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Mammary Duct Ectasia Evaluation

The evaluation of mammary duct ectasia begins with a history and physical examination.

Physical findings of mammary duct ectasia may include:

  • A lump noted by a woman during self-examination
  • A lump noted by a doctor during examination
  • Breast dimpling
  • Nipple discharge

Even though about 80% of breast lumps are non-cancerous, lumps should be evaluated to be sure a cancer is not present. Tests are required to confirm the diagnosis of mammary duct ectasia and exclude breast cancer.

Tests that may be used to evaluate mammary duct ectasia include:

Mammary Duct Ectasia Biopsy

A breast biopsy collects tissue from the breast, in order to look for abnormal breast cells in women with mammary duct ectasia.

Examples of breast biopsy:

Mammary Duct Ectasia Mammography

Mammography is an imaging study that is used to evaluate women with mammary duct ectasia.

Examples of mammography:

Continue to Mammary Duct Ectasia Treatment

Last Updated: Dec 20, 2010 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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