2023 , Vol. 20 >Issue 07: 743 - 748
DOI: https://doi.org/10.3877/cma.j.issn.1672-6448.2023.07.013
基于中国甲状腺超声报告与数据系统分析超声在不同大小甲状腺结节中的诊断价值
通信作者:
范晓芳,Email:fanxiaolll@126.comCopy editor: 吴春凤
收稿日期: 2022-02-16
网络出版日期: 2023-07-05
基金资助
无锡市妇幼健康适宜技术推广项目(FYTG202103)
杭州市卫生科技计划一般(B类)项目(B20230553)
版权
Diagnostic value of Chinese thyroid imaging reporting and data system in thyroid nodules with different sizes
Corresponding author:
Fan Xiaofang, Email: fanxiaolll@126.comReceived date: 2022-02-16
Online published: 2023-07-05
Copyright
探讨中国甲状腺超声报告与数据系统(C-TIRADS)在不同大小甲状腺结节中的诊断价值。
前瞻性选取2020年12月至2022年12月经手术病理证实的甲状腺结节患者1146例,共1247个结节,按结节的最大径将其分为A1组(<10 mm)、A2组(10~20 mm)和A3组(>20 mm),评估各组甲状腺结节的超声特征,并根据C-TIRADS对其进行评分和分类。采用MannWhitney U检验比较各组良恶性结节C-TIRADS评分的差异,根据病理结果构建各组C-TIRADS评分和分类诊断结节良恶性的受试者操作特征(ROC)曲线,确定最佳临界值,分析C-TIRADS对不同大小甲状腺结节良恶性的诊断效能。
A1组良恶性结节的评分分别为2(1,3)分、3(2,3)分,A2组良恶性结节的评分分别为1(0,2)分、3(3,4)分,A3组良恶性结节的评分分别为0(0,1)分、3(2,3)分,各组甲状腺恶性结节的评分均高于良性结节,差异均具有统计学意义(Z=3.501、15.273、10.012,P均<0.001)。A1组、A2组和A3组C-TIRADS评分系统对应的ROC曲线下面积(AUC)分别为0.580、0.893和0.918,临界值分别为>2分、>1分和>1分,3组分类系统对应的AUC分别为0.625、0.877、0.918,临界值分别为>4B类、>4A类、>4A类。3组评分和分类的诊断敏感度和特异度一致,且随着结节直径的增加,敏感度逐渐降低,分别为96.43%、93.86%、77.17%,特异度逐渐增加,分别为30.64%、69.90%、94.12%。
C-TIRADS对不同大小甲状腺结节的诊断效能有所不同,随着结节的增大,C-TIRADS对甲状腺结节的诊断价值也逐渐升高。
关键词: 中国甲状腺超声报告与数据系统; 超声; 甲状腺结节
李卫民 , 陈军民 , 黄艳丽 , 范晓芳 , 韩文 , 贾磊 , 张俊超 , 瞿辰 . 基于中国甲状腺超声报告与数据系统分析超声在不同大小甲状腺结节中的诊断价值[J]. 中华医学超声杂志(电子版), 2023 , 20(07) : 743 -748 . DOI: 10.3877/cma.j.issn.1672-6448.2023.07.013
To assess the diagnostic value of the Chinese thyroid imaging reporting and data system (C-TIRADS) in thyroid nodules with different sizes.
A total of 1 146 patients with 1 247 thyroid nodules confirmed by surgical pathology were prospectively selected from December 2020 to December 2022. According to the maximum diameter of thyroid nodules measured by ultrasound, all the thyroid nodules were divided into A1 group (<10 mm), A2 group (10-20 mm), and A3 group (>20 mm). According to the C-TIRADS, the ultrasonic characteristics of thyroid nodules in each group were evaluated and scored. The Mann-Whitney U-test was used to compare the C-TIRADS scores of benign and malignant nodules among the groups. Receiver oeprating characteristic (ROC) analysis was performed to obtain the optimal cut-off values for scoring and classification. The diagnostic efficacy of C-TIRADS scoring and classification for thyroid nodules of different sizes was then analyzed.
The scores of benign and malignant nodules were 2 (1, 3) and 3 (2, 3) in group A1, 1 (0, 2) and 3 (3, 4) in group A2, and 0 (0, 1) and 3 (2, 3) in group A3, respectively. The scores of thyroid malignant nodules in each group were significantly higher than those of benign nodules (Z=3.501, 15.273, and 10.012, respectively, P<0.001 for all). The area under the curve (AUC) of C-TIRADS scoring in groups A1, A2, and A3 was 0.580, 0.893, and 0.918, respectively, and the cut-off value was >2, >1, and >1, respectively. The AUC of C-TIRADS classification was 0.625, 0.877, and 0.918, respectively, and the cut-off value was >4B, >4A, and >4A, respectively. The corresponding sensitivity and specificity were consistent among the three groups, and as the diameter of the nodule increased, the sensitivity gradually decreased (96.43%, 93.86%, and 77.17%, respectively) and the specificity gradually increased (30.64%, 69.90%, and 94.12%, respectively).
C-TIRADS has different diagnostic value for thyroid nodules with different sizes. As the diameter of thyroid nodules increases, the diagnostic value of C-TIRADS for thyroid nodules increases as well.
表1 不同甲状腺大小组甲状腺结节的病理结果分布(个) |
病理结果 | A1组(n=571) | A2组(n=499) | A3组(n=177) |
---|---|---|---|
良性结节 | 235 | 206 | 85 |
结节性甲状腺肿 | 107 | 140 | 47 |
滤泡性腺瘤 | 17 | 35 | 31 |
肉芽肿性甲状腺炎 | 51 | 18 | 6 |
慢性淋巴细胞性甲状腺炎 | 60 | 13 | 1 |
恶性结节 | 336 | 293 | 92 |
乳头状癌 | 333 | 268 | 66 |
滤泡性腺癌 | 2 | 17 | 13 |
髓样癌 | 1 | 3 | 6 |
转移性癌 | 0 | 3 | 3 |
淋巴瘤 | 0 | 2 | 2 |
未分化癌 | 0 | 0 | 2 |
注:A1组甲状腺结节最大径<10 mm,A2组最大径为10~20 mm,A3组最大径>20 mm |
表2 不同甲状腺大小组甲状腺结节的阳性超声特征分布[个(%)] |
组别 | 结节数(个) | 垂直位 | 实性 | 极低回声 | 可疑微钙化 | 边缘模糊/不规则或甲状腺外侵犯 |
---|---|---|---|---|---|---|
A1组 | 571 | 208(36.43) | 519(90.89) | 124(21.72) | 130(22.77) | 460(80.56) |
A2组 | 499 | 133(26.65) | 395(79.16) | 95(19.04) | 216(43.29) | 309(61.92) |
A3组 | 177 | 14(7.91) | 94(53.11) | 14(7.91) | 59(33.33) | 78(44.07) |
注:A1组甲状腺结节最大径<10 mm,A2组最大径为10~20 mm,A3组最大径>20 mm |
表3 基于C-TIRADS评分系统各组良恶性甲状腺结节的超声评分比较[分,M(QR)] |
结节性质 | A1组 | A2组 | A3组 |
---|---|---|---|
良性 | 2(1,3) | 1(0,2) | 0(0,1) |
恶性 | 3(2,3) | 3(3,4) | 3(2,3) |
Z值 | 3.501 | 15.273 | 10.012 |
P值 | <0.001 | <0.001 | <0.001 |
注:A1组甲状腺结节最大径<10 mm,A2组最大径为10~20 mm,A3组最大径>20 mm;C-TIRADS为中国甲状腺超声报告与数据系统 |
图2 女性患者,43岁,左侧甲状腺结节,最大径为13 mm,非垂直位,实性,极低回声,边缘模糊,内见可疑微钙化,C-TIRADS评分4分,C-TIRADS分类为4C类 |
图5 各组甲状腺结节评分和分类诊断结节良恶性的受试者操作特征曲线。A1组(图a)甲状腺结节最大径<10 mm,A2组(图b)甲状腺结节最大径为10~20 mm,A3组(图c)甲状腺结节最大径>20 mm注:C-TIRADS为中国甲状腺超声报告与数据系统 |
表3 C-TIRADS评分和分类系统诊断甲状腺结节良恶性的最佳临界值及诊断效能 |
分组 | 临界值 | 曲线下面积 | 95%CI | Youden指数 | 敏感度(%) | 特异度(%) |
---|---|---|---|---|---|---|
评分系统 | ||||||
A1组 | >2 | 0.580 | 0.538~0.621 | 0.2707 | 96.43 | 30.64 |
A2组 | >1 | 0.893 | 0.863~0.919 | 0.6376 | 93.86 | 69.90 |
A3组 | >1 | 0.918 | 0.868~0.954 | 0.7129 | 77.17 | 94.12 |
分类系统 | ||||||
A1组 | >4B | 0.625 | 0.584~0.665 | 0.2707 | 96.43 | 30.64 |
A2组 | >4A | 0.877 | 0.845~0.905 | 0.6376 | 93.86 | 69.90 |
A3组 | >4A | 0.918 | 0.867~0.954 | 0.7129 | 77.17 | 94.12 |
注:A1组甲状腺结节最大径<10 mm,A2组最大径为10~20 mm,A3组最大径>20 mm;C-TIRADS为中国甲状腺超声报告与数据系统 |
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