Breast cancer

07 July 2010

Breast cancer gene ups men's risk

A faulty gene that greatly increases a woman's risk of breast cancer also boosts a man's risk for the disease, a new study finds.

A faulty gene that greatly increases a woman's risk of breast cancer also boosts a man's risk for the disease, a new study finds.

While most people think of breast cancer as a woman's illness, in rare cases men can develop breast tumours as well.

The new study found that men with a faulty BRCA2 gene, long tied to female breast tumours, have a one in 12 chance of developing breast cancer before they're 80.

The study

British researchers analysed data from 321 families with a faulty BRCA2 gene. They found that 20 men in the families had developed breast cancer between the ages of 29 and 79.

Of the 905 first-degree male relatives (parent or sibling) of known BRCA2 carriers, 16 men (2%) had developed the disease. Eight other cases of breast cancer occurred in second-degree male relatives, two of whom were also BRCA carriers.

Based on this data, the researchers calculated that men with a faulty BRCA2 have a 7.1% (one in 15) chance of developing breast cancer by age 70, and a 8.4% (one in 12) chance of developing the disease by age 80. The overall lifetime risk is between 6 and 9%.

"These risks are sufficient to increase awareness of breast cancer among men in BRCA2 families and to stress the importance of early presentation with breast symptoms," researchers led by Gareth Evans, of St. Mary's Hospital, Manchester, concluded.

The study appears online in the Journal of Medical Genetics. - (HealthDay News, July 2010)


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Breast cancer expert

Dr Gudgeon qualified in Birmingham, England, in 1968. She has more than 40 years experience in oncology, and in 1994 she founded her practice, Cape Breast Care, where she treats benign and malignant breast cancers. Dr Boeddinghaus obtained her qualification at UCT Medical School in 1994 and her MRCP in London in 1998. She has worked extensively in the field of oncology and has a special interest in the hormonal management of breast cancer. She now works with Dr Gudgeon at Cape Breast Care. Read more.

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