A Study on Ultrasound Manifestations of Color Doppler and High-Frequency Ultrasound in the Diagnosis of Benign and Malignant Thyroid Nodules
Objective:To study and analyze the imaging manifestations of color Doppler ultrasound(CDFI)and high-frequency ultrasound in the diagnosis of benign and malignant thyroid nodules.Methods:94 patients with thyroid nodules admitted to our hospital from January 2022 to October 2023 were selected as the study subjects.All patients underwent CDFI and high-frequency ultrasound examinations,and the pathological examination results were used as the gold standard for comparative analysis of the examination results.Results:According to pathological examination,there were 64 cases of benign and 30 cases of malignant nodules,accounting for 62.50%and 31.91%respectively.There was a significant difference in TI-RADS grading between the benign group and the malignant group(P<0.05);The benign group with lymph node metastasis,internal hypoechogenicity,absence of surrounding echoes,calcification,and blurred boundaries was lower than the malignant group(P<0.05);Blood flow classification,RI,and PSV were lower in the benign group than in the malignant group(P<0.05).The comparison of sensitivity,specificity,accuracy,positive predictive value,negative predictive value,high-frequency ultrasound,CDFI,and combined diagnosis among the three diagnostic methods showed that combined diagnosis had higher values(P<0.05).Conclusion:In the diagnosis of benign and malignant thyroid nodules,both high-frequency ultrasound and CDFI have definite application advantages,and combined diagnosis can further improve diagnostic accuracy and effectively distinguish the nature of thyroid nodules.
color Dopplerhigh-frequency ultrasoundthyroid nodulesimaging manifestations
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