Abstract
PurposeFine needle aspiration (FNA) is the gold standard for assessment of thyroid nodules, with the Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) used to predict the malignancy risk of these nodules. Our aim was to evaluate the diagnostic utility of the TBSRTC for a Saudi population, by comparing the malignancy risk based on histopathology to FNA-based diagnosis of each of the TBSRTC categories and to previously published malignancy risk in other population. Materials and methodsThis was a retrospective study of the data of 241 patients who underwent FNA assessment of thyroid nodules and surgical resection with histopathology at John Hopkins Aramco Healthcare, Dhahran, Saudi Arabia, between January 2016 and December 2019. ResultsThe malignancy risk for each of the TBSRTC categories was as follows: non-diagnostic, 25%, benign; 5.74%; atypia of undetermined significance, 37%; suspicious for follicular neoplasm, 38%; suspicious for malignancy, 100%; and malignant, 95%. Our finding were comparable to previously published malignancy risks, except for a higher rate of malignancy in the benign category at 18% compared to 0–3%. ConclusionOur findings validate the diagnostic reproducibility of the TBSRTC for a Saudi population, with the risk of malignancy confirmed by histopathological assessment being consistent with those previously reported for other populations.
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More From: American Journal of Otolaryngology--Head and Neck Medicine and Surgery
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