Abstract
Thyroid FNA derives much of its clinical value from its ability to reliably identify benign thyroid nodules, thus sparing many patients with nodular thyroid disease unnecessary surgery. Since most thyroid nodules are benign, a benign result is the most common FNA interpretation (approx. 65% of all cases).
To report benign thyroid cytopathology results, the term “Benign” is preferred over other terms such as “Negative for malignancy” and “Non-neoplastic.”Benign cytopathology is associated with a very low risk of malignancy, and patients are usually followed conservatively with periodic clinical and radiologic examinations. Benign results are further sub-classified as benign follicular nodules, thyroiditis, or other less common entities. Nodular goiter (NG) is the most commonly sampled lesion by FNA, and lymphocytic (Hashimoto’s) thyroiditis is the most commonly encountered form of thyroiditis.
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Elsheikh, T.M., Cochand-Priollet, B., de Agustin, P.P., Sidawy, M.K., Zarka, M.A. (2010). Benign. In: Ali, S., Cibas, E. (eds) The Bethesda System for Reporting Thyroid Cytopathology. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-87666-5_3
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