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Radiology. 1997 Mar;202(3):874-7.

Thyroid nodules: evaluation with US-guided core biopsy with an automated biopsy gun.

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  • 1Department of Radiology, Tonami General Hospital, Japan.


To evaluate the efficacy of ultrasound (US)-guided automated core biopsy of thyroid nodules, 74 biopsies were performed in 61 consecutive patients with an 18-gauge short-throw (1.1-cm excursion) biopsy gun. Results were correlated with diagnoses made at surgery (n = 38) or at sonographic follow-up of at least 6 months (n = 36). Sensitivity, specificity, and accuracy of diagnoses made with automated core biopsy were 84%, 95%, and 91%, respectively. US-guided biopsy with an automated biopsy gun allowed accurate assessment of thyroid nodules.

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