Ultrasonographic and cytological evaluation of 499 thyroid nodules

Abstract

OBJECTIVE: The goal of the study is to verify ultrasound and cytological findings in thyroid fine needle aspiration (FNA) punctures. METHODS: Retrospective cross-sectional study in which 499 thyroid nodules were evaluated by ultrasound and cytological examination in a period from October 2018 to August 2019. FNA was performed in patients of both sexes, in a private diagnostic center in São Paulo. RESULTS: Out of the 499 nodules punctured in 334 patients, 44 (8.8%) were male and 455 (91.2%) female. In considering the total amount of patients, 31 (9.3%) were men and 303 (90.7%) women, aged between 13 and 88. Three (0.6%) hemorrhagic samples were obtained; therefore punctures were performed again in such patients. The malignancy prevalence was 4.8% and the frequency of benign nodules in this was 92.4%. CONCLUSION: The analyses show that the ultrasound and cytological profile of the thyroid nodules are in accordance with the current literature, which can assist in the audit of the results in the diagnostic imaging centers.