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THYROID NODULES
(CT or MRI)

Last modified: September 6, 2025

Main reference: ACR 2015

Thyroid nodules (CT MRI).jpg

Definition

Suspicious lymph nodes

  • Calcifications

  • Cystic

  • Hyper-enhancing enhancement

  • Short axis >1.5 cm for jugulodigastric lymph nodes and >1.0 cm for other lymph nodes

    • Not specific for metastases

    • But to investigate

References

Hoang JK, Langer JE, Middleton WD, Wu CC, Hammers LW, Cronan JJ, Tessler FN, Grant EG, Berland LL. Managing incidental thyroid nodules detected on imaging: white paper of the ACR Incidental Thyroid Findings Committee. J Am Coll Radiol. 2015 Feb;12(2):143-50. doi: 10.1016/j.jacr.2014.09.038.

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