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Editorial |

Breast MRI for Women With Hereditary Cancer Risk

Mark E. Robson, MD; Kenneth Offit, MD, MPH
JAMA. 2004;292(11):1368-1370. doi:10.1001/jama.292.11.1368.
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Approximately a decade ago, germline mutations in BRCA1 and BRCA2 were identified as the most common detectable causes of a hereditary predisposition to breast (and ovarian) cancer.1,2 A recent meta-analysis of 22 studies indicated that the average risk of breast cancer by 70 years is 65% for women with BRCA1 mutations and 45% for BRCA2 mutations,3 although the risk may be substantially higher in some families. Women with BRCA1 mutations in their fourth and fifth decade of life have on average approximately a 30-fold higher risk of breast cancer than women without mutations, and BRCA2 mutation carriers are at 10-fold to 16-fold higher risk.3

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