Ultrasound features associated with thyroid cancer risk in children^[1-3]

Ultrasonographic features that are associated with an increased risk of thyroid cancer

Solitary nodule

Hypoechoic

Solid parenchyma

Irregular margins

Nodule is taller than wide (in transverse view)

Calcifications

Abnormal lymph nodes present

Enlargement of nodule over time

Ultrasonographic features that are associated with a decreased risk of thyroid cancer

Completely cystic composition

Spongiform appearance

Echogenicities with comet-tail shadowing

References:

Creo A, Alahdab F, Al Nofal A, et al. Ultrasonography and the American Thyroid Association Ultrasound-Based Risk Stratification Tool: Utility in Pediatric and Adolescent Thyroid Nodules. Horm Res Paediatr 2018; 90:93.
Gannon AW, Langer JE, Bellah R, et al. Diagnostic Accuracy of Ultrasound With Color Flow Doppler in Children With Thyroid Nodules. J Clin Endocrinol Metab 2018; 103:1958.
Richman DM, Benson CB, Doubilet PM, et al. Thyroid Nodules in Pediatric Patients: Sonographic Characteristics and Likelihood of Cancer. Radiology 2018; 288:591.

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Ultrasound features associated with thyroid cancer risk in children[1-3]