Contrast-enhanced ultrasound thyroid imaging reporting and data system outperforms K-TIRADS in diagnostic accuracy and reduces unnecessary fine-needle aspirations for thyroid nodules - Report - MDSpire
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Contrast-Enhanced Ultrasound Imaging for Thyroid Nodules Shows Superior Diagnostic Accuracy Compared to K-TIRADS and Decreases Unneeded Fine-Needle Aspiration Procedures
Contrast-Enhanced Ultrasound Imaging for Thyroid Nodules Shows Superior Diagnostic Accuracy
Overview
This study evaluates the contrast-enhanced ultrasound-based Thyroid Imaging Reporting and Data System (CEUS TI-RADS) compared to the Korean Thyroid Imaging Reporting and Data System (K-TIRADS) in diagnosing thyroid nodules.
Background
Thyroid nodules are common and often benign, yet distinguishing malignant from benign nodules is critical to avoid unnecessary invasive procedures. Current risk stratification systems, such as K-TIRADS, may not provide optimal diagnostic performance due to their reliance on grayscale ultrasound features.
Data Highlights
Parameter
CEUS TI-RADS
K-TIRADS 2016
K-TIRADS 2021
AUC
0.893
0.804
0.804
Unnecessary Biopsy Rate
18.6%
44.8%
44.8%
Key Findings
CEUS TI-RADS achieved an AUC of 0.893, significantly higher than K-TIRADS at 0.804 (P < 0.05).
The unnecessary biopsy rate was significantly lower with CEUS TI-RADS (18.6%) compared to K-TIRADS (44.8%) (P < 0.01).
Independent predictors of malignancy identified included hypoechoic echogenicity, irregular or lobulated margins, punctate echogenic foci, and hypoenhancement.
The study included a total of 175 thyroid nodules, with 84 classified as malignant and 91 as benign.
Multivariate logistic regression was utilized to assess predictors of malignancy.
Clinical Implications
The findings indicate the potential for CEUS TI-RADS to improve the evaluation of thyroid nodules.
Conclusion
CEUS TI-RADS provides diagnostic accuracy for thyroid nodules and decreases the rate of unnecessary fine-needle aspirations.
