Needle Biopsy

Posted on December 5th, 2001 by

Removal of fluid, cells, or tissue with a needle for examination under a microscope. There are two types: fine needle aspiration (FNA) and core biopsy. FNA uses a thin needle and syringe to pierce the skin and draw up fluid or small tissue fragments from a cyst or tumor. A core needle biopsy uses a thicker needle to remove a cylindrical sample of tissue from a tumor.

Tags: Cancer Dictionary, N

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