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A 29-year-old member asked:

How is breast cancer inherited between family members?

3 doctor answers5 doctors weighed in
Dr. Barry Rosen
General Surgery 34 years experience
BRCA Mutations: The genetic mutations responsible for the hereditary type of breast cancer are called BRCA mutations. If either parent has this mutation, there's a 50:50 chance that any of their children will inherit this mutation. Even with this mutation, the chance of breast cancer is not 100%; it's closer to 60%(in women). Keep in mind that only 10-15% of all breast cancers in the US are the hereditary type.
Dr. Chakshu Gupta
Pathology 23 years experience
Gene defects: Defects in genes that repair or control cell growth can predispose one to get cancer. These genes can sometimes be transferred from one generation to the next. There are several hereditary breast cancer genes, the most well recognized of which are the brca1 and 2.
Dr. Travis Kidner
Surgical Oncology 17 years experience
Aut Dom: The brca mutations that cause hereditary breast and ovarian cancers are transmitted in an autosomal dominant pattern. This mean if one of your parents has the mutation, you have a 50% chance of having it.

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Similar questions

A 42-year-old member asked:

Can i tell me how i can deal with a family member being diagnosed with breast cancer?

1 doctor answer2 doctors weighed in
Dr. Heidi Fowler
Psychiatry 25 years experience
Allow yourself to: Feel ; to explore the feelings it brings up. Educate yourself about breast cancer -knowledge is very helpful. Providing support to others can be a blessing for giver. Support your loved one ; consider supporting a breast cancer cause. Don't be afraid to share what you think and feel. Take care.
A 34-year-old member asked:

Is breast cancer inherited?

9 doctor answers24 doctors weighed in
Dr. Barry Rosen
General Surgery 34 years experience
Sometimes.: It is estimated that approximately 10-15% of all breast cancers in the US are of the hereditary type. These genes can be inherited from either your father or your mother. If a woman inherits this gene, they have a 50-75% chance of developing breast cancer in their lifetime. These cancers tend to occur at any earlier age and may occur in both breasts.

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Last updated Nov 30, 2014

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