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Thyroid nodules indeterminate by needle biopsy.

M A Block, G E Dailey, J A Robb

    American Journal of Surgery
    |July 1, 1983
    PubMed
    Summary
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    Thyroid nodules studied by needle biopsy can be indeterminate, sometimes indicating cancer. Surgery is often recommended for indeterminate nodules unless other factors suggest otherwise, especially for large nodules or those with prior radiation exposure.

    Area of Science:

    • Endocrinology
    • Oncology
    • Pathology

    Background:

    • Thyroid nodules are common, and distinguishing benign from malignant ones is crucial.
    • Needle biopsy is a primary diagnostic tool, but indeterminate results pose a challenge.

    Purpose of the Study:

    • To evaluate the significance of indeterminate results from thyroid fine-needle aspiration biopsy.
    • To determine the appropriate management strategy for indeterminate and inadequate thyroid nodule biopsies.

    Main Methods:

    • Analysis of 121 patients with thyroid nodules evaluated by needle biopsy.
    • Correlation of biopsy results with surgical findings and patient outcomes.
    • Assessment of factors influencing the decision for operative versus nonoperative therapy.

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    Main Results:

    • 15% of needle biopsies yielded indeterminate results, with 18% of these showing carcinoma upon surgery.
    • Inadequate biopsy results necessitate clinical judgment for treatment decisions.
    • Factors like large nodule size and prior radiation support surgical intervention.

    Conclusions:

    • Indeterminate thyroid nodules often warrant surgical exploration due to the risk of malignancy.
    • Management of inadequate biopsies requires careful consideration of clinical factors.
    • Specific interventions like aspiration of cystic nodules can support nonoperative management.