Article
E-cadherin immunohistochemical expression in invasive lobular carcinoma of the breast: correlation with morphology and CDH1 somatic alterations.
Human pathology - 1 Aug 2020
Grabenstetter Anne, Mohanty Abhinita S, Rana Satshil, Zehir Ahmet, Brannon A Rose, D'Alfonso Timothy M, DeLair Deborah F, Tan Lee K, Ross Dara S
Abstract excerpt
E-cadherin (ECAD) immunohistochemical (IHC) expression is lost in ∼90% of invasive lobular carcinomas (ILCs) owing to genomic alterations of CDH1. We examined morphologic features and ECAD IHC expression in invasive breast carcinomas (BCs) with known CDH1 alterations. Between January 2014 and May 2018, 202 cases of BC with a CDH1 somatic alteration were identified. ECAD expression was lost in 77% (155/202) of...
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