What are the histologic characteristics of invasive ductal carcinoma?

Updated: May 24, 2018
  • Author: Peter Abdelmessieh, DO, MSc; Chief Editor: Marie Catherine Lee, MD, FACS  more...
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Invasive ductal carcinoma is the most commonly diagnosed breast cancer and has a tendency to metastasize via lymphatics. This lesion, which accounts for 75% of breast cancers, has no specific histologic characteristics other than invasion through the basement membrane of a breast duct, as seen in the image below. DCIS is a frequently associated finding on pathologic examination.

Breast cancer. Infiltrating ductal carcinoma. Low- Breast cancer. Infiltrating ductal carcinoma. Low-grade carcinoma with well-developed glands invading the fibrous stroma.

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