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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Adv Surg. 2021 Jul 6;55:131–145. doi: 10.1016/j.yasu.2021.05.010

Table 1:

Ultrasound findings associated with thyroid cancer lymph node metastases14,15

Ultrasound Finding Prevalence in involved nodes Sensitivity Specificity
Hyperechoic relative to muscle 8% 86% 96%
Cystic component 21% 20% 100%
Calcifications 5% 50% 100%
Loss of a fatty hilum 99% 88% 90%
Rounded shape* 34% 80% 71%
*

short to long axis ratio 0.5 or greater