Study Finds Breast Cancer Decline Linked to Decreased Hormone Use

By Kristen Bole, UCSF Today | August 15, 2007

Decreased use of postmenopausal hormone therapy since 2002 -- rather than a decrease in detection and diagnosis due to less screening -- has contributed to a decline in the recorded incidence of breast cancer in the United States, conclude the authors of a study of more than 600,000 screening mammography examinations.

"Previous research has indicated a link between a drop in hormone therapy and a decrease in breast cancer rates, but this is the first study to demonstrate that link among a cohort of women undergoing routine screening mammography," says lead author Karla Kerlikowske, MD, a staff physician at the San Francisco VA Medical Center (SFVAMC) and a professor of medicine, epidemiology, and biostatistics at the University of California, San Francisco (UCSF).

The study appears on line August 14, 2007 in the Journal of the National Cancer Institute, and will appear in the September 5, 2007 print issue.


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