The BRCA gene test is a blood test that uses DNA analysis to identify harmful changes (mutations) in either one of the two breast cancer.
DEAR MAYO CLINIC: I recently was diagnosed with breast cancer at I have a strong family history of the disease. However, my doctor.
DEAR MAYO CLINIC: At my last mammogram, I asked my doctor if I could be tested for the breast cancer gene. She didn't think it was.
Prepare for your BRCA gene test by learning how genetic testing for breast cancer and ovarian cancer may affect you and your family members.
At least eight candidate breast cancer susceptibility genes have been identified. Mutations in BRCA1, BRCA2, p53, and the Cowden disease gene are relatively.