TI-RADS Calculator (ACR 2025 updated version): Free Online Thyroid Nodule Radiology Risk Scoring Tool TI-RADS Calculator (ACR) – Thyroid Nodule Scoring 1. Composition: Cystic or almost completely cystic (0) Spongiform (0) Mixed cystic and solid (1) Solid or almost solid (2) 2. Echogenicity: Anechoic (0) Hyperechoic or isoechoic (1) Hypoechoic (2) Very hypoechoic (3) 3. Shape: Wider-than-tall (0) Taller-than-wide (3) 4. Margin: Smooth (0) Ill-defined (0) Lobulated or irregular (2) Extra-thyroidal extension (3) 5. Echogenic Foci (Check all that apply): None / Comet-tail (0) Macrocalcifications (1) Peripheral (rim) calcifications (2) Punctate echogenic foci (3) Calculate TI-RADS