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

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

Revised: 18 October 2016, last major update February 2012

Copyright: (c) 2002-2016,, Inc.

PubMed Search: Basal like DCIS

Cite this page: Basal-like DCIS. website. Accessed September 26th, 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
Microscopic (histologic) images

Images hosted on Nature servers:

H&E and stains

H&E and variable CK5/6 staining

Positive stains
Negative stains