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‹ Sun · 21 Jun 2026
Near-term implementable finding

A randomized controlled trial comparing non-selective versus selective TIRADS-based cytology in thyroid cancer diagnostics.

Risk-stratified thyroid biopsy selection improves detection of significant disease, though refinement is still needed before safely reducing unnecessary biopsies.

This first RCT of EU-TIRADS for thyroid nodule FNA selection demonstrates that risk-stratified biopsy improves diagnostic yield of clinically significant cytology without increasing missed cancer rates. However, the safety margin for FNA omission using EU-TIRADS appears narrower than retrospective evidence suggested, indicating further refinement of thyroid ultrasound risk stratification systems is needed before widespread FNA reduction protocols can be recommended.

What the study was

Study design
Multi-centre, unblinded, interventional randomized controlled trial
Population
Patients with thyroid nodules at 4 hospitals in Western Sweden (Feb 2022 – Dec 2023)
Sample size
195
Category
Diagnostics
Maturity
Validated
Journal
British Journal of Surgery

Why it surfaced

First RCT of EU-TIRADS for thyroid FNA selection; published in Br J Surg. Directly clinically actionable for endocrinology/head and neck surgery practice, though sample size (n=195) limits power for definitive conclusions.

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