Quick Answer: Can a biopsy cause breast cancer to spread?

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Does biopsy increase risk of breast cancer?

Women who have a history of breast biopsies are at increased risk because of breast changes that can be observed on mammograms and prompt the biopsies. Breast biopsies themselves do not cause cancer. Women who have high breast density have an increased risk of breast cancer.

What does it mean if a biopsy is positive?

Another important factor is whether there are cancer cells at the margins, or edges, of the biopsy sample. A “positive” or “involved” margin means there are cancer cells in the margin. This means that it is likely that cancerous cells are still in the body.

Can biopsies be wrong?

Needle biopsies take a smaller tissue sample and may miss the cancer. However, even with needle biopsies, false negative results are not common. One study looking at nearly 1,000 core needle biopsies found a false negative result rate of 2.2%. That’s just over 2 out of 100 biopsies.

Should I worry about a breast biopsy?

Just because you need a breast biopsy doesn’t mean you have cancer. In fact, most breast biopsies turn out to be benign (not cancerous). So don’t worry if it takes several days to receive the results of your breast biopsy.

Should you wear a bra after a breast biopsy?

Wear a tight-fitting bra to help support your biopsy site and make you feel more comfortable. Your radiologist will let you know if you need to wear any special type of bra after your biopsy. For 3 days after your biopsy, do not: Lift anything heavier than 5 pounds (2.3 kilograms).

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How will I feel after a breast biopsy?

For a few days after the surgery, you will probably feel tired and have some pain. The skin around the cut (incision) may feel firm, swollen, and tender. The area may be bruised. Tenderness should go away in about a week, and the bruising will fade within two weeks.