Diagnostic Performance of European and American College of Radiology Thyroid Imaging Reporting and Data System Classification Systems in Thyroid Nodules Over 20 mm in Diameter
Authors' conclusion
EU-TIRADS and ACR-TIRADS show similar efficacy when using a 25 mm FNA threshold. Raising the cutoff for FNA in European Thyroid Imaging Reporting and Data System 3 nodules could reduce unnecessary procedures but may increase the risk of missed malignancies, impacting patient outcomes.
Study context
- Population
- Patients with thyroid nodules ≥20 mm referred for US at a University Hospital, May 2023–March 2024; mean age 60.3 ± 14.3 years; 46 men, 221 women; 22 malignancies and 286 benign nodules308 nodules
- Participants
- 267 patients
- Comparison
- European Thyroid Imaging Reporting and Data System (EU-TIRADS) vs American College of Radiology Thyroid Imaging Reporting and Data System (ACR-TIRADS) for fine needle aspiration (FNA) selection in nodules ≥20 mm
- Outcome
- Efficacy of TIRADS systems in distinguishing benign from malignant nodules (reference: postthyroidectomy histopathology or FNA cytology, Bethesda)
Methodological detailssingle-centre
- Single-centre
Performance
As reported in the abstract
FNAs avoided
P > 0.05
Further findings
- Malignancies missed
- 2
Original publication
Diagnostic Performance of European and American College of Radiology Thyroid Imaging Reporting and Data System Classification Systems in Thyroid Nodules Over 20 mm in Diameter. Endocr Pract. Published 22 October 2024. doi:10.
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