Abstract：Objective: To investigate the value of strain rate ratio of ultrasonic elastography in correcting TI-RADS 4 thyroid nodules classification. Methods: A total of 137 thyroid nodule patients who underwent surgery in the Affiliated Hospital of Chengde Medical University from January 2018 to June 2020 were collected. A total of 137 nodule were collected, all of which were TI-RADS 4. After correction of strain rate ratio of ultrasonic elastography, they were finally compared with the gold standard of postoperative histomathology. The grade correction value of strain rate ratio of ultrasonic elastography for TI-RADS 4 thyroid nodules was analyzed. Results:137 TI-RADS4 thyroid nodules include 67 TI-RADS 4a, 48 TI-RADS 4b, 22 TI-RADS 4c. After the strain rate ratio correction of ultrasonicelastography, there were 20 TI-RADS3,27 TI-RADS 4a,58 TI-RADS 4b,28 TI-RADS 4c,4 TI-RADS 5. Finally, the sensitivity, specificity, accuracy, positive predictive value and negative predictive value of TI-RADS classification were 62.6%, 78.9%, 67.2%, 88.5% and 44.8%, respectively, when compared with postoperative histological pathology. After correction, the sensitivity, specificity, accuracy, positive predictive value and negative predictive value were 85.8%, 86.8%, 86.1%, 94.4% and 70.2% respectively. There were significant differences in sensitivity (χ2=13.971, P<0.05), accuracy (χ2=13.782, P<0.05) and negative predictive value (χ2=7.229, P<0.05) between ti-RADS classification and elastography corrected. There was no significant difference in specificity (χ2=0.835, P>0.05) and positive predictive value (χ2=1.819, P>0.05). Conclusion: The strain rate ratio of ultrasonic elastography has certain clinical value for grading correction of TI-RADS 4 thyroid nodule.
丁华杰, 那磊, 杨绍石, 李莎, 龚雪. 超声弹性成像应变率比值对TI-RADS 4类甲状腺结节的校正价值[J]. 河北医学, 2021, 27(12): 2032-2034.
DING Huajie, NA Lei, YANG Shaoshi, et al. An Analysis of the Value of Strain Rate Ratio of Elastosonography in the Correction of TI-RADS 4 Thyroid Nodules. HeBei Med, 2021, 27(12): 2032-2034.
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2021, Vol. 27 
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