HER2 amplification in cases with low HER2 expression by immunohistochemistry (IHC): A Single Institutional Experience
Podany P, Golastani R, Zhan H, Liang Y, Harigopal M, Krishnamurti U. HER2 amplification in cases with low HER2 expression by immunohistochemistry (IHC): A Single Institutional Experience. American Journal Of Clinical Pathology 2023, 160: s9-s10. DOI: 10.1093/ajcp/aqad150.021.Peer-Reviewed Original ResearchLow HER2 expressionInvasive breast carcinomaIHC scoreHER2 expressionGroup 1Group 3HER2 immunohistochemistryHER2 testingGroup 2HER2 FISHGroup 4ASCO/CAP guidelinesGroup 5Single institutional experienceRecent clinical trialsStandard of careASCO/CAP 2018 guidelinesHER2/CEP17 ratioEquivocal HER2HER2 positivityTrastuzumab deruxtecanMore patientsCAP guidelinesPatient eligibilityCase report