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Glossary: needle biopsy, Masonic Cancer Center, University of Minnesota

needle biopsy

(NEE-dul BY-op-see)

The removal of tissue or fluid with a needle for examination under a microscope. When a wide needle is used, the procedure is called a core biopsy. When a thin needle is used, the procedure is called a fine-needle aspiration biopsy.

2008-01-04