Estrogen/progesterone receptor and HER2 discordance between primary tumor and brain metastases in breast cancer and its effect on treatment and survival.
Sperduto PW, Mesko S, Li J, Cagney D, Aizer A, Lin NU, Nesbit E, Kruser TJ, Chan J, Braunstein S, Lee J, Kirkpatrick JP, Breen W, Brown PD, Shi D, Shih HA, Soliman H, Sahgal A, Shanley R, Sperduto W, Lou E, Everett A, Boggs DH, Masucci L, Roberge D, Remick J, Plichta K, Buatti JM, Jain S, Gaspar LE, Wu CC, Wang TJC, Bryant J, Chuong M, Yu J, Chiang V, Nakano T, Aoyama H, Mehta MP. Estrogen/progesterone receptor and HER2 discordance between primary tumor and brain metastases in breast cancer and its effect on treatment and survival. Neuro-Oncology 2020, 22: 1359-1367. PMID: 32034917, PMCID: PMC7523450, DOI: 10.1093/neuonc/noaa025.Peer-Reviewed Original ResearchConceptsBreast cancer brain metastasesHuman epidermal growth factor receptor 2Primary tumorProgesterone receptorMedian survivalEstrogen receptorBrain metastasesDiscordance rateHER2-negative primary tumorsEstrogen/progesterone receptorsEpidermal growth factor receptor 2Time of metastasisCancer brain metastasesGrowth factor receptor 2Breast cancer treatmentIncidence of discordanceFactor receptor 2Subsequent treatmentBCBM patientsHER2 discordanceReceptor discordanceMost patientsReceptor statusInitial diagnosisHER2 status