Cross-reactivity of EGFR mutation-specific immunohistochemistry assay in HER2 positive tumors
Verdu M1,2, Trias I1,2,3, Roman R1, Rodon N1, Pubill C2, Arraiza N2, Martinez B2, Garcia-Pelaez B1, Serrano T1,2,3, Puig X1,2,3.
1BIOPAT, Biopatologia Molecular SL, Grup Assistència, Barcelona, Spain. 2Histopat Laboratoris, Barcelona, Spain. 3Hospital de Barcelona-SCIAS, Grup Assistència, Barcelona. Spain.
Abstract
The co-expression of HER2 and EGFR L858R in a solitary nodule removed from the lung, whose mutation was not confirmed by molecular techniques, made us think about the possible existence of a cross-reaction between HER2 and the EGFR L858R-specific antibody. Our study was […]