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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms



vacuum-assisted biopsy  listen  (VA-kyoom-uh-SIS-ted BY-op-see)

  A procedure in which a small sample of tissue is removed from the breast. An imaging device is used to guide a hollow probe connected to a vacuum device. The probe is inserted through a tiny cut made in numbed skin on the breast. The tissue sample is removed using gentle vacuum suction and a small rotating knife within the probe. Then the tissue sample is studied under a microscope to check for signs of disease. This procedure causes very little scarring and no stitches are needed. Also called VACB and vacuum-assisted core biopsy.