A procedure in which the doctor uses a narrow needle to remove a cylinder of tissue, usually about 1/2-inch long and 1/16-inch across, which is sent to the laboratory and examined under a microscope to see if cancer is present.
(kore NEE-dul BY-op-see) Type of biopsy in which cylindrical pieces of tissue about 1/16 inch across are removed for examination. In most cases, it removes enough tissue to see whether a sarcoma is present. Also called Tru-cut biopsy.
A biopsy that involves using a hollow (“core”) needle to remove a small tissue sample. The needle used for this type of biopsy has a cutting edge and is larger than that used for fine needle aspiration (FNA). The procedure typically takes only a few minutes and canbe performed in a doctor's office.
A tissue sample (biopsy) taken using a needle. The needle is put into the lump and a core of tissue is removed inside it when it is taken out. This tissue sample is checked under the microscope for cancer cells.