目的：探讨不同医师采用2017美国放射学会（ACR）推荐的甲状腺影像报告和数据系统（TI-RADS）描述术语在不同直径甲状腺结节中的可重复性。方法：采用回顾性分析方法，把497个甲状腺结节分为＜10 mm、10~20 mm、＞20 mm组，使用TI-RADS描述术语对结节进行评价并分类，应用一致性检验分析观察者间的一致性。结果：TI-RADS描述术语中，成分、回声在10~20 mm组中的Kappa值高于其他两组，形状在三组中的一致性好，边缘在三组中的一致性差，钙化在10~20 mm组及＞20 mm组中有较好的一致性。10~20 mm组TI-RADS分类的Kappa值最高。结论：TI-RADS描述术语及分类在观察者间具有较好的可重复性，但在不同甲状腺直径结节中存在差异，其中10~20 mm组的变异最小。
Abstract
Objective: To investigate the repeatability of descriptive terminology of thyroid imaging reporting and data system(TI-RADS) recommended by 2017 American College of Radiology(ACR) used by different physicians in thyroid nodules with different diameters. Methods: By retrospective analysis, 497 thyroid nodules were divided into ＜10 mm, 10~20 mm and ＞20 mm groups. The nodules were classified according to TI-RADS standard, and the consistency among observers was analyzed by consistency test. Results: In TI-RADS descriptive terms, the Kappa values of component and echo in 10~20 mm group were higher than those in other two groups. The consistency of shape in three groups was better. The consistency of margins in the three groups was poor. The consistency of calcification in 10~20 mm group and ＞20 mm group was better. The Kappa value of TI-RADS classification in 10~20 mm group was the highest. Conclusion: TI-RADS descriptive terms and classification have good reproducibility among observers, but there are differences among nodules with different diameters, and 10~20 mm group has the least variation.
关键词
甲状腺结节 /
超声检查 /
多普勒 /
彩色
Key words
Thyroid nodule /
Ultrasonography, Doppler, color
中图分类号：
Ｒ736.1
Ｒ581
Ｒ445.1
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