Breast malignant, males, children
Carcinoma subtypes
Lobular carcinoma - basal-like variant (subset)

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

Revised: 28 October 2016, last major update August 2012

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

PubMed Search: Basal like variant

Cite this page: Lobular carcinoma - basal-like variant (subset). website. Accessed December 14th, 2018.
Clinical features
  • Invasive lobular carcinoma cases include all molecular subtypes, include basal-like, and basal-like carcinomas include a variety of histologic subtypes (J Pathol 2008;216:141)
  • CK5 / 6 positivity, part of definition of basal-like tumors, is present in 17% of lobular tumors (Hum Pathol 2008;39:331)
  • Associated with grade 3 tumors (50%) and ER negativity, but similar morphology otherwise
Negative stains