Breast malignant, males, children
In situ carcinoma
Basal-like DCIS

Author: Monika Roychowdhury, M.D. (see Authors page)

Revised: 27 September 2018, last major update February 2012

Copyright: (c) 2002-2018,, Inc.

PubMed Search: Basal like DCIS

Cite this page: Roychowdhury, M. Basal-like DCIS. website. Accessed December 14th, 2018.
Definition / general
  • Classified based on immunohistochemistry or gene expression profiling (Breast Cancer Res 2006;8:R61), not morphology
  • 8% of DCIS
  • Of academic interest only, not currently used clinically
Microscopic (histologic) description
  • Solid, flat or micropapillary
  • High nuclear grade, comedonecrosis, intense lymphocytic infiltrate
Positive stains
Negative stains