Analysis And Study Of Ultrasonographic Characteristics Of Thyroid Nodules

ObjectiveTo assess the value of thyroid imaging reporting and data system(TI-RADS)for qualitative diagnosis of thyroid nodules.MethodsA total of 347 patients with thyroid nodules underwent surgical treatment in our hospital from January to December 2016 were selected as subjects.According to the postoperative pathological diagnosis results,the subjects were divided into the benign group(n=127)and the malignant group(n=220).The ultrasound imaging findings of the two groups were observed and compared.The subjects were divided into 1 to 5 grades by TI-RADS classification standard,and then compared with pathological results by grading results.ResultsOf the 347 patients,there are 1 case of TI-RADS level 1,54 cases of TI-RADS level 2,59 cases of TI-RADS level 3,51 cases of TI-RADS level 4a,88 cases of TI-RADS level 4b,68 cases of TI-RADS level 4c,26 cases of TI-RADS level 5.Ultrasound images in the malignant group showed higher sensitivity of irregular shape,unclear boundary,microcalcification,and abundant blood flow signals.The difference of ultrasound image was statistically significant(P<0.05).Among the 347 patients,using grade 4a as the criterion for classifying benign and malignant lesion,the sensitivity,specificity,and accuracy of TI-RADS classification was 91.4%,74.8% and 85.3%,respectively;if only grade 1-3(representing benign lesion)and grade 4b-5(representing malignant lesion)were considered,with exclusion of the dubious grade 4a,the sensitivity,specificity,and accuracy of TI-RADS classification was 90.1%,91.3% and 90.1%,respectively.ConclusionThe sensitivity,specificity and accuracy of TI-RADS classification in diagnosis of thyroid cancer are high.The application of TI-RADS classification is helpful for clinicians to interpret the diagnostic evaluation of ultrasound and thereby to make a reasonable treatment plan.So it has great practical value.