© The Author 2006. Published by Oxford University Press.
EDITORIAL |
BRCA Mutation Frequency and Penetrance: New Data, Old Debate
Correspondence to: Kenneth Offit, MD, MPH, Clinical Genetics Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, NY 10021 (e-mail: offitk@mskcc.org).
| The first 10% of the full text of this article appears below. |
More than a decade after the discovery of the BRCA1 and BRCA2 genes, a consensus has yet to emerge regarding the frequency and precise magnitude and spectrum of cancer risks for individuals carrying mutations of these genes. Although these questions constitute a topic of heated debate among cancer epidemiologists (19), they are also of clinical concern to women and men considering BRCA testing and the various options, including preventive surgeries, if such testing produces a positive finding (10,11). The study by Risch et al. (12) not only helps to settle some of these issues but also adds interesting new data to an
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