Study of French inter-expert variability in thyroid nodule ultrasound
Authors' conclusion
Our findings suggest that the current state of practice for ultrasound-based thyroid nodule diagnosis in France may suffer from substantial inter-expert variability in the identification of key sonographic features and the attribution of EU-TIRADS scores.
Study context
- Population
- Axial-view US images of thyroid nodules from routine clinical practice at 4 French sites (private clinics and university hospitals), read by 4 experts with ≥15 years of experience
- Participants
- 303 US images
- Outcome
- Inter-reader variability in EU-TIRADS scores and sonographic feature labels
Methodological detailsmulticentre, 4 independent expert readers
- Multicentre
- 4 independent expert readers
Main finding
As reported in the abstract
Inter-expert variability
- Substantial inter-expert variability in both identification of individual features and assignment of EU-TIRADS score
- Most marked disagreements: nodule echogenicity, punctate echogenic foci and nodule shape
Original publication
Study of French inter-expert variability in thyroid nodule ultrasound. Eur Thyroid J. Published 2 April 2026. doi:10.
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