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Consistency of ultrasonic indicators evaluated by different seniority sonographer with C-TIRADS and comparison of diagnostic efficiency / 中华健康管理学杂志
Article in Chinese | WPRIM | ID: wpr-910836
Responsible library: WPRO
ABSTRACT

Objective:

To investigate the consistency and diagnostic efficiency of Chinese Thyroid Imaging Reporting and Date System (C-TIRADS) in thyroid nodule evaluation by different seniority sonographers.

Methods:

The preoperative ultrasonographic datum of 134 thyroid nodules in 112 patients from January to November 2020 were independently analyzed by sonographers with different seniority. According to the C-TIRADS guidelines, the C-TIRADS ultrasonographic indicators of each nodule were recorded and C-TIRADS classification was performed. Cohen′s Kappa (K) statistical method was used to analyze the consistency of ultrasonic indicators evaluated by different seniority sonographers. Using postoperative pathological results as the gold standard, the diagnostic efficacy of C-TIRADS classification for differentiating benign and malignant thyroid nodules by junior and senior sonographers was calculated respectively, and the Receiver Operating Characteristic (ROC) curves were drawn respectively.

Results:

The solid structure and vertical orientation of thyroid nodule judged by different seniority sonographers were very consistent ( K=0.84, 0.81). The consistencies of very hypoechoic and microcalcifications were substantial agreement ( K=0.80, 0.61), and moderate ( K=0.531) for the margin of the nodules. The sensitivity, specificity, accuracy, positive predictive value and negative predictive value of distinguishing benign and malignant thyroid nodules by junior and senior sonographers were 91.8%, 65.8%, 77.6%, 69.1%, 90.6% and 96.7%, 67.1%, 80.6%, 71.1%, 96.1%, respectively. The corresponding area under the ROC curves were 0.788 and 0.819, respectively ( Z=1.369, P=0.171).

Conclusion:

Ultrasonologists with different experience have good consistency in evaluating the C-TIRADS ultrasonic indicators of thyroid nodule, and the diagnostic efficacy of C-TIRADS classification in differentiating benign and malignant thyroid nodule was similar.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Practice guideline Language: Chinese Journal: Chinese Journal of Health Management Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Practice guideline Language: Chinese Journal: Chinese Journal of Health Management Year: 2021 Type: Article