A core biopsy of the breast is the removal of small fragments of tissue with a special needle using mammography and ultrasound guidance. The tissue is then tested in the hospital's laboratory for cancer. Most core biopsies are performed when a mammogram or ultrasound shows an abnormality in the breast as opposed to something discovered in a physical or self-breast exam. Most of these abnormalities are benign.
Your breast core biopsy will be performed in Women & Infants' Department of Diagnostic Imaging. It is safe and relatively painless with local anesthesia injected in the site before the biopsy. The needle is inserted through a tiny incision that will heal without needing a stitch.
The procedure generally lasts 45 minutes although you will remain in the department for about two hours in total.
There are two major things you should watch for after the procedure: