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fine-needle aspiration

   Also found in: Acronyms, Wikipedia 0.01 sec.
fine-needle aspiration,
a diagnostic technique that uses a very thin needle and gentle suction to obtain tissue samples, most commonly used for breast and thyroid biopsies. The needle is thinner than that used for venipuncture, and the procedure is less painful than drawing of blood. Usually the procedure is done on an outpatient basis, and no anesthetic is used. The aspirated tissue is examined by a pathologist.


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Performing a fine-needle aspiration (FNA) is a known predisposing factor in precipitating infarction.
fine-needle aspiration cytology in parotid masses: our experience in canterbury, new Zealand.
Of 219 patients with a history of chronic fatigue for more than one year, 40% were found to have definite histological evidence of chronic lymphocytic thyroiditis on fine-needle aspiration of the thyroid gland.
 
 
 
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