Cite this page: Roychowdhury M OLD basal-like. PathologyOutlines.com website. http://www.pathologyoutlines.com/oldtopics/breastmalignantlobularbasal.html. Accessed August 7th, 2020.
- 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