Fine needle aspiration. A way of getting a sample of cells to look at under a microscope. The doctor uses a fine needle to draw up the cells into a syringe.
Fine Needle Aspiration. In this procedure, a thin needle is used to draw up (aspirate) samples for examination under a microscope. FNA is sometimes used to determine if prostate cancer has spread to lymph nodes inside the pelvis.
Biopsy in which cells are removed from a lump by needle and syringe, and then tested to see if cancer cells are present.