Version July 2025
| Ultrasonographic features that are associated with an increased risk of thyroid cancer |
| Hypoechogenicity |
| Solid composition |
| Punctate echogenic foci (microcalcifications) |
| Coarse calcification (macrocalcifications) |
| Interrupted eggshell calcification with soft tissue extrusion |
| Infiltrative/irregular margins |
| Taller-than-wide shape |
| Associated suspicious lymphadenopathy |
| Ultrasonographic features that are associated with a lower risk of thyroid cancer |
| Isoechoic or hyperechoic |
| Spongiform appearance |
| Simple cysts |
| Comet-tail artifact within a cystic component of a nodule |
| Uninterrupted eggshell calcification |
