A series of 960 fine-needle aspiration biopsies of thyroid lesions are reported. The primary indication is the presence of a solitary thyroid mass. Aspiration biopsy is accomplished using a 23-gauge needle and a commercially available syringe pistol equipped with a 20.0-mL syringe. Sensitivity for the presence of a thyroid neoplasm, specificity for the absence of a thyroid neoplasm, predictive value of a positive diagnosis for a thyroid neoplasm, and diagnostic efficiency are all over 90% in this series. Eight percent of the aspirates were unsatisfactory. Use of fine-needle aspiration biopsy for the diagnosis of thyroid conditions reduces thyroid surgery significantly for nonneoplastic disease. It is cost-effective and essentially free of complications.
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William J. Frable (1986) studied this question.
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