期刊
JOURNAL OF WOMENS HEALTH
卷 27, 期 8, 页码 987-993出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/jwh.2017.6428
关键词
breast cancer; family history; breast density
类别
资金
- NCI NIH HHS [P01 CA154292] Funding Source: Medline
Background: Use of preoperative breast magnetic resonance imaging (MRI) among women with a new breast cancer has increased over the past decade. MRI use is more frequent in younger women and those with lobular carcinoma, but associations with breast density and family history of breast cancer are unknown. Materials and Methods: Data for 3075 women ages >65 years with stage 0-III breast cancer who underwent breast conserving surgery or mastectomy from 2005 to 2010 in the Breast Cancer Surveillance Consortium were linked to administrative claims data to assess associations of preoperative MRI use with mammographic breast density and first-degree family history of breast cancer. Multivariable logistic regression estimated adjusted odds ratios (OR) and 95% confidence intervals (95% CI) for the association of MRI use with breast density and family history, adjusting for woman and tumor characteristics. Results: Overall, preoperative MRI use was 16.4%. The proportion of women receiving breast MRI was similar by breast density (17.6% dense, 16.9% nondense) and family history (17.1% with family history, 16.5% without family history). After adjusting for potential confounders, we found no difference in preoperative MRI use by breast density (OR=0.95 for dense vs. nondense, 95% CI: 0.73-1.22) or family history (OR=0.99 for family history vs. none, 95% CI: 0.73-1.32). Conclusions: Among women aged >65 years with breast cancer, having dense breasts or a first-degree relative with breast cancer was not associated with greater preoperative MRI use. This utilization is in keeping with lack of evidence that MRI has higher yield of malignancy in these subgroups.
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