Breast Cancer |
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Needle (Wire) Localization Biopsy
This type of biopsy is performed when you have an abnormality seen on a mammogram that cannot be felt. It is an outpatient biopsy that is done in two steps on the same day.
Step I -- Radiology: To Find the Abnormal Tissue
In a sitting or standing position, your breast will be positioned for a mammogram to find the exact location of the abnormal tissue. Once the area is identified, a radiologist will numb your breast with a local anesthetic. A needle is inserted and a small wire threaded through the needle. The tip of the needle is placed near the abnormal tissue. Accurate placement of the wire is checked by mammogram. The wire is securely taped in place.
Most women report no pain, but feel pressure and pulling. Some women feel faint or dizzy. If you have any unusual symptoms or sensations, tell the technologist assisting you or your radiologist so they can help you.
Step II -- Same Day Surgery: To Biopsy the Abnormal Tissue
During this biopsy, the abnormality identified on a mammogram is surgically removed. Anesthesia that you and your physician have discussed is administered. A surgeon uses the wire implanted earlier to locate the abnormal tissue and remove it. The tissue is sent to radiology to be X-rayed. The radiologist and surgeon will confirm that the tissue found on the mammogram was removed. Most women experience no change in the breast beyond a surgical scar. You will feel some lumpiness near the incision from scar tissue. Some patients experience some pain, swelling and discomfort, which subsides in a few days.
You will be brought by wheelchair from radiology, where the wire was inserted, to same day surgery. Family or friends may be with you before and after the wire localization, but not during the procedure.
The biopsy is an excisional biopsy, meaning that the abnormality seen on mammogram is surgically removed. You will be given the anesthesia that you and your physician have discussed. The surgeon uses the wire to locate the abnormality and remove it in the operating room. The specimen, once removed from the breast, is then sent to radiology to be X-rayed. The radiologist and the surgeon communicate to confirm that the abnormality seen on mammogram has been removed.
There will be a scar on the breast after the biopsy. In general, your surgeon will be able to tell you where the incision (or scar) is expected to be on your breast. Most women do not experience a marked change in the appearance of the breast beyond the surgical scar. The swelling and bruising that you may experience will resolve. You will, however, be able to feel lumpiness near the surgical site from scar tissue after the biopsy.
This procedure is generally well tolerated and most patients return to their full range of activities by the next day. However, occasionally there are patients who experience considerable pain, swelling and discomfort after this procedure. These symptoms should be reported to your doctor.
More Information:
Reviewed by health care specialists at UCSF Medical Center.
Last updated May 8, 2007
This information is for educational purposes only and is not intended to replace the advice of your doctor or health care provider. We encourage you to discuss with your doctor any questions or concerns you may have.
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