ACR TIRADS — Thyroid Imaging Reporting and Data System
Risk stratifies thyroid nodules on ultrasound to guide biopsy and follow-up. TR4 and TR5 have progressively higher malignancy risk.
Reference: Tessler FN et al. Radiology 2017
Medical Disclaimer: This calculator is a clinical decision support tool for qualified healthcare professionals. It does not replace clinical judgement. Always interpret results in the full clinical context. Reference: Tessler FN et al. Radiology 2017.
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