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IMPORTANCE Limited information about the relationship between specific mutations in BRCA1 or BRCA2 (BRCA1/2) and cancer risk exists. OBJECTIVE To identify mutation-specific cancer risks for carriers of BRCA1/2. DESIGN, SETTING, AND PARTICIPANTS Observational study of women who were ascertained between 1937 and 2011 (median, 1999) and found to carry(More)
Two single nucleotide polymorphisms (SNPs) at 6q25.1, near the ESR1 gene, have been implicated in the susceptibility to breast cancer for Asian (rs2046210) and European women (rs9397435). A genome-wide association study in Europeans identified two further breast cancer susceptibility variants: rs11249433 at 1p11.2 and rs999737 in RAD51L1 at 14q24.1.(More)
Germline mutations in BRCA1 and BRCA2 account for ~30 % of inherited breast cancer. BRIP1 and PALB2 are likely genes for breast cancer susceptibility, based on their roles in maintaining cellular integrity. Indeed, few pathogenic germline mutations in both genes are reported in ethnically diverse breast cancer families. There is a paucity of data on the(More)
Young patients with breast cancer (BC) are often concerned about treatment-induced infertility and express maternity desire. Conception after BC does not seem to affect outcome, but information in estrogen-receptor positive (ER+) disease is not definitive. From September 2012-March 2013, 212 evaluable patients with ER+ early BC, <37 years at diagnosis, from(More)
BACKGROUND The inhibition of cyclin-dependent kinases 4 and 6 (CDK4/6) could potentially overcome or delay resistance to endocrine therapy in advanced breast cancer that is positive for hormone receptor (HR) and negative for human epidermal growth factor receptor 2 (HER2). METHODS In this randomized, placebo-controlled, phase 3 trial, we evaluated the(More)
OBJECTIVES HER2/neu (HER2) overexpression occurs in approximately 20% of breast cancers and is associated with aggressive disease. Although a significant number of HER2-positive tumors also express hormone receptors (HR), the effects HR expression has on clinical characteristics, including response to trastuzumab among HER2-positive breast cancer, has not(More)
We evaluated the clinical utility of screening for mutations in 34 breast/ovarian cancer susceptibility genes in high-risk families in Israel. Participants were recruited from 12, 2012 to 6, 2015 from 8 medical centers. All participants had high breast/ovarian cancer risk based on personal and family history. Genotyping was performed with the InVitae™(More)
Oncotype-DX assay has never been validated for BRCA mutation carriers. This study compares the recurrence score (RS) distribution in BRCA-positive breast cancer patients with that of a general population (GP) of patients and reports their outcomes. Eligible patients were BRCA carriers who performed the Oncotype-DX assay. Two sets of databases were(More)
OBJECTIVE To evaluate the safety and efficacy of tamoxifen co-administration during conventional controlled ovarian hyperstimulation (COH) protocols for a fertility-preservation IVF cycle in breast cancer patients. DESIGN Two groups: retrospective descriptive cohort study and prospective study. SETTING Breast cancer oncology and fertility-preservation(More)
BACKGROUND Up to 4% of breast cancer cases occur in women younger than 35 years. Studies have suggested an association between breast cancer at a young age, poorer outcome, and adverse clinical and pathologic characteristics. It is unclear whether age is an independent prognostic factor. OBJECTIVES To characterize the prognostic significance of young age(More)