Clinical Report: Evaluating the Diagnostic Efficacy of ACR-TIRADS and C-TIRADS

Overview

This study evaluates the diagnostic performance of ACR-TIRADS and C-TIRADS in differentiating malignant from benign thyroid nodules in adolescents.

Background

Thyroid nodules are increasingly diagnosed in the pediatric population, with a higher likelihood of malignancy compared to adults. Accurate differentiation between malignant and benign nodules is crucial for effective management. Current adult-focused risk stratification systems may not be fully applicable to children.

Data Highlights

Key Findings

• The area under the receiver operating characteristic curve (AUC) for Scenario 1 was 0.793, higher than ACR-TIRADS.
• Scenario 2 demonstrated an AUC of 0.825, higher than C-TIRADS.
• Unnecessary biopsy rates were lower in both scenarios compared to ACR-TIRADS and C-TIRADS.
• Biopsy triage failure rates were also reduced in both scenarios compared to the TIRADS systems.
• Pediatric thyroid nodules have a higher malignancy rate than adult nodules (19% vs. 12%).

Clinical Implications

The study suggests that implementing specific biopsy scenarios can enhance diagnostic performance in pediatric patients. This may lead to fewer unnecessary biopsies and improved identification of malignant nodules.

Conclusion

The findings indicate that tailored biopsy recommendations can significantly improve the diagnostic efficacy of thyroid nodule assessments in adolescents.

Related Resources & Content

1. Frontiers in Endocrinology, 2026 -- Comparative diagnostic performance of C-TIRADS versus Kwak TI-RADS for thyroid nodules: implications for fine-needle aspiration biopsy referral
2. The Journal of Clinical Endocrinology & Metabolism -- Incorporating Elastography Improves Diagnostic Precision of ACR TI-RADS for Assessing Thyroid Nodules
3. Updates in Surgery -- Significance of ACR-TIRADS Guidelines Supporting Monitoring Over FNAC for Thyroid Nodules
4. ECRI Guidelines Trust® - 2022 European Thyroid Association guidelines for the management of pediatric thyroid nodules and differentiated thyroid carcinoma.
5. Updates in Surgery (Springer) — Risk of malignancy and necessity of completion thyroidectomy in patients with indeterminate thyroid nodules (Bethesda III and IV), more than expected in endemic region
6. ECRI Guidelines Trust® - 2022 European Thyroid Association guidelines for the management of pediatric thyroid nodules and differentiated thyroid carcinoma.
7. Diagnostic Performance of ACR TI-RADS and Sonographic Predictors of Malignancy in Pediatric Thyroid Nodules - PubMed
8. Pediatric Thyroid Nodules: K-TIRADS/ACR TI-RADS Pediatric-Specific Biopsy Cutoff Incorporating Clinical Risk Factors