What are the histologic characteristics of tubular carcinoma of the breast?

Updated: May 24, 2018
  • Author: Peter Abdelmessieh, DO, MSc; Chief Editor: Marie Catherine Lee, MD, FACS  more...
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Tubular carcinoma of the breast is an uncommon histologic type constituting 1-2% of all breast cancers. Characteristic features of this type include a single layer of epithelial cells with low-grade nuclei and apical cytoplasmic snoutings arranged in well-formed tubules and glands.

Tubular components constitute more than 90% of pure tubular carcinomas and at least 75% of mixed tubular carcinomas. This type of breast cancer has a low incidence of lymph node involvement and a very high overall survival rate. Because of its favorable prognosis, patients are often treated with only breast-conserving surgery and local radiation therapy.

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