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Needle Biopsy

Glossary

needle biopsy

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.

Last updated: 2014-02-26

Source: The National Cancer Institute's Dictionary of Cancer Terms (http://www.cancer.gov/dictionary)