2020
Does Specimen Type Have an Impact on HER2 Status in Endometrial Serous Carcinoma? Discordant HER2 Status of Paired Endometrial Biopsy and Hysterectomy Specimens in the Presence of Frequent Intratumoral Heterogeneity
Rottmann D, Assem H, Matsumoto N, Wong S, Hui P, Buza N. Does Specimen Type Have an Impact on HER2 Status in Endometrial Serous Carcinoma? Discordant HER2 Status of Paired Endometrial Biopsy and Hysterectomy Specimens in the Presence of Frequent Intratumoral Heterogeneity. International Journal Of Gynecological Pathology 2020, 40: 263-271. PMID: 32897955, DOI: 10.1097/pgp.0000000000000690.Peer-Reviewed Original ResearchConceptsEndometrial serous carcinomaDiscordant HER2 statusHER2 immunohistochemical scoresHER2 protein expressionSerous carcinomaHER2 statusEndometrial biopsies/curettingsImmunohistochemical scoreProtein expressionHER2 testingIntratumoral heterogeneityEndometrial biopsy/curettageProlonged progression-free survivalHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2HER2 testing algorithmProgression-free survivalGrowth factor receptor 2HER2-negative tumorsFinal study cohortHER2-positive tumorsRecent clinical trialsSpecimen typesFactor receptor 2Optimal specimen types
2019
HER2 testing of gynecologic carcinosarcomas: tumor stratification for potential targeted therapy
Rottmann D, Snir OL, Wu X, Wong S, Hui P, Santin AD, Buza N. HER2 testing of gynecologic carcinosarcomas: tumor stratification for potential targeted therapy. Modern Pathology 2019, 33: 118-127. PMID: 31477811, DOI: 10.1038/s41379-019-0358-x.Peer-Reviewed Original ResearchConceptsEndometrial serous carcinomaHER2-positive tumorsSerous carcinomaSarcoma componentHER2 statusGynecologic carcinosarcomaHER2 expression/amplificationRecent phase II clinical trialPhase II clinical trialCarboplatin-paclitaxel chemotherapyEquivocal HER2 expressionProgression-free survivalAppropriate patient selectionExpression/amplificationFemale genital tractMembranous staining patternHER2 protein expressionHER2 immunohistochemical scoresUterine primaryDismal prognosisPatient selectionCarcinoma componentMixed carcinomasHER2 expressionClinical trials