The New England Journal of Medicine
e-mail icon  FREE NEJM E-TOC    HOME   |   SUBSCRIBE   |   CURRENT ISSUE   |   PAST ISSUES   |   COLLECTIONS   |    Advanced Search
Sign in | Get NEJM's E-Mail Table of Contents — Free | Subscribe
 
Correspondence
PreviousPrevious
Volume 348:174-175 January 9, 2003 Number 2
NextNext

Mammographic Density of the Breast

Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

 Sign up for free e-toc
 

This Article
-Full Text
- PDF
-PDA Full Text
-Purchase this article

Tools and Services
-Add to Personal Archive
-Add to Citation Manager
-Notify a Friend
-E-mail When Cited

More Information
-Related Article
by Thurfjell, E.
-Related Article
by Boyd, N. F.
-PubMed Citation
To the Editor: Boyd et al. (Sept. 19 issue)1 estimated that the heritability of mammographic density was 60 percent among Australian twins and 67 percent among American twins. Although twin studies reveal little about the mode of inheritance, we previously reported a segregation analysis of 258 multigenerational families that provided evidence of a common major gene (6 percent frequency) that was transmitted in a mendelian fashion.2 Stronger evidence of a genetic influence was subsequently published in the form of a linkage analysis involving pairs of siblings, which used information from DNA analysis, mammographic information, and data on covariates to identify . . . [Full Text of this Article]



HOME  |  SUBSCRIBE  |  SEARCH  |  CURRENT ISSUE  |  PAST ISSUES  |  COLLECTIONS  |  PRIVACY  |  HELP  |  beta.nejm.org

Comments and questions? Please contact us.

The New England Journal of Medicine is owned, published, and copyrighted © 2008 Massachusetts Medical Society. All rights reserved.