ACR TIRADS Calculator for Thyroid Nodules

COMPOSITION

Cystic or almost completely cystic 0

Spongiform 0

Mixed cystic and solid 1

Solid or almost completely solid 2

Indeterminate due to calcification 2



ECHOGENICITY

Anechoic 0

Hyperechoic or isoechoic 1

Hypoechoic 2

Very hypoechoic 3

Cannot be determined 1



SHAPE

Wider than tall 0

Taller and Wide 3



MARGIN

Smooth 0

Ill-defined 0

Lobulated or irregular 2

Extra-thyroidal extension 3

Cannot be determined 0



ECHOGENIC FOCI

None or large comet-tail artifacts 0

Macrocalcifications 1

Peripheral (rim) calcifications 2

Punctate echogenic foci 3



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