Estrogen and HER-2 Receptor Discordance Between Primary Breast Cancer and Metastasis
Pusztai L, Viale G, Kelly CM, Hudis CA. Estrogen and HER-2 Receptor Discordance Between Primary Breast Cancer and Metastasis. The Oncologist 2010, 15: 1164-1168. PMID: 21041379, PMCID: PMC3227913, DOI: 10.1634/theoncologist.2010-0059.Peer-Reviewed Original ResearchConceptsReceptors resultsBreast cancerHuman epidermal growth factor receptor 2 receptor statusRepeat tumor biopsiesRoutine repeat biopsyPrimary breast cancerReceptor-positive cancersReceptor-negative cancersEndocrine therapyFalse-negative resultsReceptor discordanceMetastatic diseaseReceptor statusRepeat biopsyClinical courseRecurrent cancerClinical groundsPrimary tumorTumor nestsEstrogen receptorTumor biopsiesHormone responsivenessReceptor assayCancerDiscordant results