Diagnostic value of ACR TI-RADS risk grading combined with multimodal ultrasonography in benign and malignant thyroid lesions

ObjectiveTo analyze diagnostic value of American College of radiology thyroid imaging reporting and data system(ACR TI-RADS) risk grading combined with multimodal ultrasonography in benign and malignant thyroid lesions.

MethodsSixty-one patients were detected using superb microvascular imaging(SMI) and shear wave elastography(SWE), and divided into benign group and malignant group according to the pathological results.The ACR TI-RADS risk grading and quantitative scoring in two groups were implemented, and the SMI blood flow grading and SWE elastic parameters in two groups were detected and analyzed.

ResultsThe ACR TI-RADS risk grading in two groups were divided into 2-5 classes, and the difference of risk grading was statistically significant(P < 0.01).The quantitative scores in malignant group were higher than those in benign group(P < 0.01).The differences of the SMI blood flow grading and SWE elastic parameters between two groups were statistically significant(P < 0.01).The sensitivity and specificity of combined diagnosis of malignant nodules were better than that of single diagnosis.

ConclusionsThe risk stratification of ACR TI-RADS, SMI and SWE are all valuable in the diagnosis of thyroid lesions alone, and the efficacy of combined diagnosis can be significantly improved.