Reliability of Thyroid Imaging Reporting and Data Systems' Scoring in the Evaluation of Thyroid Nodules

Abstract

Objective: It is known that Thyroid Ultrasonography (US), guided by Fine Needle Aspiration (FNA), is a cost-effective and safe diagnostic method for evaluating thyroid nodules. Our purpose in the present study is to determine the reliability of the Thyroid Imaging Reporting and Data Systems (TIRADS) Scoring System for the evaluation of thyroid nodules. Materials and Methods: A total of 3612 patients who were followed up in our endocrinology and general surgery clinic and operated on with the diagnosis of multinodular and nodular goiter were included in the study. The malignancy risk rate of all TIRADS categories was analyzed according to postoperative pathology results. Results: Among the 724 patients, who were included in the study, preoperative FNA results were as 11.04% (n=80) benign, follicular, Hurthle cell neoplasia or suspected 8.83% (n=64), malignancy suspected 40.33% (n=292) and malignant 39.77% (n=288). We determined in the study that the malignancy was 72.15% (n=228) in TR-4 nodules and 97.1% (n=336) in TR-5 nodules. No correlations were detected between anti-TPO, anti-TG, TSH level, and malignancy. Conclusion: TIRADS Scoring System was successful in predicting malignancy rates in the present study.

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