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| Comparison of diagnostic efficacy between ACR TI-RADS and Kwak TI-RADS in qualitative diagnosis of thyroid nodules |
| YAO Jian-feng, ZHANG Yu-hua, WANG Quan-jiang, CHEN Zheng-lei |
| Zhengzhou Tumor Hospital Affiliated to Henan University, Zhengzhou 450000, China |
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Abstract Objective: To compare the diagnostic efficacy between 2017 thyroid imaging reporting and data system of ACR(ACR TI-RADS) and 2011 thyroid imaging reporting and data system of Kwak(Kwak TI-RADS) in the diagnosis of benign or malignant thyroid nodules. Methods: The results of routine ultrasound images of 319 thyroid nodules in 305 patients were retrospectively analyzed, and these nodules were classified using ACR TI-RADS and Kwak TI-RADS methods, which were retrospectively analyzed with pathology as the reference standard. Results: In the diagnosis of benign or malignant thyroid nodules using ACR TI-RADS method, the sensitivity was 77.6%, specificity was 83.0%, accuracy was 82.1%, positive predictive value was 45.0% and negative predictive value was 95.3%. In the diagnosis of benign or malignant thyroid nodules using Kwak TI-RADS method, the sensitivity was 89.8%, specificity was 81.1%, accuracy was 82.4%, positive predictive value was 46.3% and negative predictive value was 97.8%. There was no significant difference between the two methods. Conclusion: ①There was no significant difference between ACR TI-RADS and Kwak TI-RADS in the diagnosis of benign or malignant thyroid nodules, and both of them had good diagnostic value. ②ACR TI-RADS further defined terms for the description of thyroid nodules, improved diagnostic consistency, and gave advice on thyroid nodule management.
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Received: 10 September 2018
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