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ACR TI-RADS
COMPOSITION
Cystic or almost completely cystic
Spongiform
Mixed cystic and solid
Solid or almost completely solid
ECHOGENICITY
Anechoic
Hyperecchoic or isoechoic
Hypoechoic
Very hypoechoic
SHAPE
Wider-than-tall
Taller-than-wide
MARGIN
Smooth
Ill-defined
Lobulated or irregular
Extra-thyroidal extension
ECHOGENIC FOCI
None or large comet-tail artifacts
Macrocalcifications
Peripheral (rim) calcifications
Punctate echogenic foci
View Results