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I have IDC. My uncle had melanoma and colon cancer. No other family cancer. Does that raise my risk of BRCA 1 and 2?

Jess G Profile
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anonymous

Learning About Breast Cancer over 7 years
 
  • Diana Foster Payne Profile
    匿名
    Stage 4 病人
    No, not necessarily. Approx. 75% of women diagnosed with breast cancer have no family history. I have IDC as well and have no family history of cancer. Regardless of that, I do believe it's a good idea for for women with breast cancer to have the BRACA test. I had the test performed and it was negative.
    over 7 years Comment Flag
  • Laura Cornwell Profile
    匿名
    医学专家学者
    BRCA 1 and 2 are uncommon mutations. Only 2-3% of women with breast cancer have them. However, it is useful to know if you have the gene in your family because their risk of getting breast cancer in their lifetime is 60%, as compared to 18% for someone without the mutation. Doctors use the following aid to assist in their decisions to test for the mutation. https://www.myriadpro.com/brca-risk-calculator The predictions rely strongly on breast cancer family history <50 years of age, and strong family history of breast and ovarian cancers (and also prostate in male relatives).
    over 7 years Comment Flag

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