What Is Genetic Testing of Breast Cancer?

Q:

What is genetic testing of breast cancer? Does it really work?

A:

People who undergo genetic testing can get to know whether their breast cancer is caused by an inherited gene mutation. Through the test, you can not only know your risk of getting breast cancer, your family members are also affected by the result, although they may not wish to know.

The test is usually done on a blood or saliva sample which is then sent to a laboratory or a research testing facility. The breast cancer genes are separated from the rest of the DNA, which is prepared for scanning for abnormalities. Such genes include BRCA1, BRCA2, and PALB2.

Actually, most of those who develop breast cancer do not have an inherited gene mutation.

 

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Does Gene Mutations Lead to Breast Cancer?

* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.