ACR TI-RADS (thyroid nodule)

Radiology / Endocrinology

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Next steps

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Clinical evidence

Sum of points across 5 categories. TR1 (0), TR2 (≤2), TR3 (3), TR4 (4-6), TR5 (≥7).
  • TR5 nodule ≥1 cm has >20% malignancy risk
  • TI-RADS reduces unnecessary biopsies by ~30%
  • Spongiform appearance is highly specific for benignity
  • Tessler FN et al. J Am Coll Radiol 2017;14:587-95
  • Haugen BR et al. Thyroid 2016;26:1-133 (ATA guidelines)

About the creator

American College of Radiology (ACR) TI-RADS Committee, 2017.

Tessler FN et al. J Am Coll Radiol 2017;14:587-95 — ACR TI-RADS White Paper

AskCPG — Malaysian Clinical Practice Guidelines