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Breast Cancer Blog: Female Hormone Levels Don't Predict Breast Cancer

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Jan 22, 2006

Female Hormone Levels Don't Predict Breast Cancer

Female Hormone Levels Don't Predict Breast Cancer
Higher blood level of a female hormone, namely estradiol, don't increase risk of developing breast cancer, as per findings from a new study.

Many studies in the past have suggested a positive relationship between higher levels of estradiol and increased risk of developing breast cancer in postmenopausal women. One study had found that raloxifen, which is selective estrogen receptor modulator (SERM) similar to commonly used tamoxifen may be a better option for postmenopausal women, who has higher levels of estradiol.

Mary S. Beattie, M.D., of the University of California in San Francisco, and colleagues examined the levels of sex hormones estradiol and testosterone, and sex hormone-binding globulin in the blood plasma of 135 postmenopausal women with breast cancer and 275 postmenopausal control women who had been treated with tamoxifen or placebo as part of a breast cancer prevention trial. The authors sought to determine whether sex hormone levels are associated with breast cancer risk, and whether breast cancer risk reduction varied by sex hormone level among women on tamoxifen, which is also a SERM.

Their results showed that levels of sex hormones were not associated with breast cancer risk in these women and cannot be used as a predictor for breast cancer risk or determine who would most benefit from tamoxifen treatment. Tamoxifen had the same effect on breast cancer risk in women with high and low levels of estradiol. The authors suggest that the study should be repeated in other populations with a high risk of developing breast cancer.


Sherin      



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Do you read all of the blogs published by medicineworld.org? Many of our bloggers are busy keeping you updated on the various health related topics. We publish the following blogs at this time.

Cancer blog: I manage the cancer blog with lots of help and support form other bloggers. Through this cancer blog my friends and I try to bring stories of hope for patients with cancer. The cancer blog often republishes important blog posts from other cancer related blogs at Medicineworld.org. If you are searching for a blog that covers wide variety of cancer topics, this may be the one for you.

Breast cancer blog: Breast cancer blog is run by Emily and other bloggers and they bring you the latest stories, news and events that are related to breast cancer. Increasing awareness about breast cancer among women and in the general population is the main goal of this breast cancer blog.

Lung cancer blog: Lung cancer blog is managed by Scott with the help of other bloggers. Through this blog Scott and his friends constantly remind the readers about the dangers of smoking. It's a never-ending struggle against this miserable disease with which a social stigma of smoking is associated.

Colon cancer blog: Colon cancer blog is run by Sue and other bloggers. Sue brings a personal touch to the colon cancer blog since her mother died of colon cancer few years ago. She writes about stories, research news and advances in treatment related to colon cancer.

Prostate cancer blog: Prostate cancer is the most common cancer among American men. American Cancer Society estimates that over 230,000 new cases of prostate cancer occur in the United state every year. This important blog about prostate cancer is run by Mark and other bloggers. This blog brings news, stories, and other personal observations related to prostate cancer.

Medicineworld.org publishes a diabetes watch blog and this blog is run by JoAnn other bloggers. This diabetes watch blog brings you the latest in the field of diabetes. This includes personal stories, advances in diagnosis and treatment, and other observations about diabetes. Improving awareness about diabetes is an important mission of this group.

Janet      


Breast cancer
Every year, more than 200,000 women are diagnosed with breast cancer in the United States. Breast cancer ranks second as the leading cause of cancer deaths in American women. Until recently breast cancer topped the list of leading causes of cancer deaths in women, but lately lung cancer has claimed the top position. If skin cancer is excluded, breast cancer is the commonest cancer among American women.

Breast Cancer Blog: Female Hormone Levels Don't Predict Breast Cancer

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