Marked heterogeneity of HER2/NEU gene amplification in endometrial serous carcinoma
Buza N, Hui P. Marked heterogeneity of HER2/NEU gene amplification in endometrial serous carcinoma. Genes Chromosomes And Cancer 2013, 52: 1178-1186. PMID: 24123408, DOI: 10.1002/gcc.22113.Peer-Reviewed Original ResearchConceptsEndometrial serous carcinomaHER2/neu gene amplificationNeu gene amplificationSerous carcinomaHER2 protein expressionGene amplificationHeterogeneous tumorsProtein expressionHER2 testing guidelinesHER2 protein overexpressionTumor tissue areaTumor tissue sectionsHER2 statusDifferent tumor samplesHER2 overexpressionHER2 amplificationBreast cancerImmunohistochemical scoreAggressive subclonesCarcinomaClinical testingImmunostaining patternTumor samplesTumor cellsTesting guidelinesToward standard HER2 testing of endometrial serous carcinoma: 4-year experience at a large academic center and recommendations for clinical practice
Buza N, English DP, Santin AD, Hui P. Toward standard HER2 testing of endometrial serous carcinoma: 4-year experience at a large academic center and recommendations for clinical practice. Modern Pathology 2013, 26: 1605-1612. PMID: 23765245, DOI: 10.1038/modpathol.2013.113.Peer-Reviewed Original ResearchConceptsEndometrial serous carcinomaSerous carcinomaHER2 overexpressionEndometrial carcinomaMedical recordsImmunohistochemical scoreHER2 testingProtein expressionHER2 immunohistochemistrySignificant heterogeneityScoring systemMultiple tumor sectionsPure serous carcinomaHER2-positive casesHER2-positive tumorsScoring criteriaEndometrial carcinoma casesFDA criteriaPatients' medical recordsLarge academic centerHER2 FISH resultsHER2 protein overexpressionPromising therapeutic targetOverall concordance rateHER2 immunohistochemical scores