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中华医学超声杂志(电子版) ›› 2020, Vol. 17 ›› Issue (11) : 1121 -1124. doi: 10.3877/cma.j.issn.1672-6448.2020.11.012

所属专题: 文献

浅表器官超声影像学

常规超声联合超声造影诊断部分囊性甲状腺结节的Logistic回归分析
宋青1, 罗渝昆2,(), 田晓琦2, 兰雨2, 张艳2, 朱亚琼2, 张颖2, 姜波2   
  1. 1. 100853 北京,解放军总医院第一医学中心超声诊断科;100700 北京,解放军总医院第七医学中心超声科
    2. 100853 北京,解放军总医院第一医学中心超声诊断科
  • 收稿日期:2020-01-07 出版日期:2020-11-01
  • 通信作者: 罗渝昆
  • 基金资助:
    中国博士后基金面上项目(2018M643876); 原陆军总医院创新培育基金(2015-LC-05)

Logistic regression analysis of conventional ultrasound combined with contrast-enhanced ultrasound in diagnosis of partially cystic thyroid nodules

Qing Song1, Yukun Luo2,(), Xiaoqi Tian2, Yu Lan2, Yan Zhang2, Yaqiong Zhu2, Ying Zhang2, Bo Jiang2   

  1. 1. Department of Ultrasound, the First Medical Center, General Hospital of Chinese PLA, Beijing 100853, China; Department of Ultrasound, the Seventh Medical Center, General Hospital of Chinese PLA, Beijing 100700, China
    2. Department of Ultrasound, the First Medical Center, General Hospital of Chinese PLA, Beijing 100853, China
  • Received:2020-01-07 Published:2020-11-01
  • Corresponding author: Yukun Luo
  • About author:
    Corresponding author: Luo Yukun, Email:
引用本文:

宋青, 罗渝昆, 田晓琦, 兰雨, 张艳, 朱亚琼, 张颖, 姜波. 常规超声联合超声造影诊断部分囊性甲状腺结节的Logistic回归分析[J/OL]. 中华医学超声杂志(电子版), 2020, 17(11): 1121-1124.

Qing Song, Yukun Luo, Xiaoqi Tian, Yu Lan, Yan Zhang, Yaqiong Zhu, Ying Zhang, Bo Jiang. Logistic regression analysis of conventional ultrasound combined with contrast-enhanced ultrasound in diagnosis of partially cystic thyroid nodules[J/OL]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2020, 17(11): 1121-1124.

目的

应用Logistic回归模型评价超声及超声造影特征对甲状腺部分囊性结节(PCTN)良恶性的鉴别诊断价值。

方法

选取2016年1月至2018年12月在解放军总医院第一医学中心就诊的135例PCTN患者的临床资料和超声图像进行回顾性分析,共159个结节,良性结节109个,其中结节性甲状腺肿94个,腺瘤15个;恶性结节50个,其中乳头状癌47个,髓样癌2个,未分化癌1个。以病理结果作为因变量,各超声特征作为自变量,建立二分类Logistic回归模型,并评价其预测结节良恶性能力。

结果

共4个特征进入Logistic回归模型,分别是钙化、边界、实性部分的形态和增强均匀度。Logistic回归模型对甲状腺部分囊性结节良恶性预测的敏感度、特异度、准确性分别为86.0%、94.5%、80.5 %,受试者工作特征曲线下面积为0.902(95%可信区间为0.845~0.944)。

结论

常规超声联合超声造影特征的Logistic回归模型有助于PCTN良恶性鉴别诊断。

Objective

To assess the value of conventional ultrasound combined with contrast-enhanced ultrasound in the differential diagnosis of benign and malignant partially cystic thyroid nodules (PCTNs).

Methods

The clinical data and ultrasound images of 135 patients with 159 PCTNs who were treated at the First Medical Center of PLA General Hospital from January 2016 to December 2018 were analyzed retrospectively. There were 109 benign nodules, including 94 nodular goiters and 15 adenomas, and 50 malignant nodules, including 47 papillary carcinomas, 2 medullary carcinoma, and 1 undifferentiated carcinoma. A binary logistic regression model was established with pathological results as the response variables and ultrasonic characteristics as the independent variables, and the ability of the model for predicting benign and malignant nodules was evaluated.

Results

A total of four features were entered into the logistic regression model, including calcification, boundary, solid part morphology, and enhanced uniformity. The sensitivity, specificity, and accuracy of the logistic regression model were 86.0%, 94.5%, and 80.5% respectively, and the area under the ROC curve was 0.902 (95% confidence interval: 0.845-0.944).

Conclusion

The logistic regression model of routine ultrasound combined with contrast-enhanced ultrasound is helpful in the differential diagnosis of benign and malignant thyroid PCTNs.

图1 回归模型诊断恶性甲状腺部分囊性结节的受试者工作特征曲线图
图2 恶性甲状腺部分囊性结节超声图像。图a为常规超声图像,结节呈囊实性,局部边界不清楚(箭头所示),内部见点状强回声,实性部分呈偏心分布;图b为超声造影图像,结节内实性部分呈等增强,增强不均匀,内见低增强区(箭头所示)
表1 甲状腺部分囊性结节特征多因素分析
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