Lesson 1F Flashcards
ACR TI-RADS
ACR Thyroid Imaging Reporting and Data System
ACR Thyroid Imaging Reporting and Data System
Reporting system for thyroid nodules on US
- standardized scoring system for reports
What does ACR TI-RADS provide?
Provides users with recommendations for when to usefine needle aspiration or US follow-up on suspicious nodules, and when to safely leave alone nodules that are benign or not suspicious
How is the scoring determined for ACR TI-RADS?
From 5 categories of US findings
- the higher the cumulative score, the higher the TR level and likelihood of malignancy
What are the categories for ACR TI-RADS? (5)
- Composition
- Echogenicity
- Shape
- Margin
- Echogenic foci
How is composition divided up? (4)
- Cystic or almost completely cystic
- 0 points - Spongiform
- 0 points - Mixed cystic and solid
- 1 point - Solid or almost completely solid
- 2 points
How is echogenicity divided up? (4)
- Anechoic
- 0 points - Hyperechoic or isoechoic
- 1 point - Hypoechoic
- 2 points - Very hypoechoic
- 3 points
How is shape divided up? (2)
- Wider than it is tall
- 0 points - Taller than it is wide
- 3 points
How is margin divided up? (4)
- Smooth
- 0 points - Ill defined
- 0 points - Lobulated/irregular
- 2 points - Extra-thyroidal extension (ETE)
- 3 points
How is echogenic foci divided? (pick all that apply) (4)
- Non or large comet tail artifact
- 0 points - Macro-calcifications
- 1 point - Peripheral/rim calcifications
- 2 points - Punctate echogenic foci
- 3 points
0 points
Benign
- no FNA
2 points
Not suspicious
- no FNA
3 points
Mildly suspicious
- FNA
4-6 points
Moderately suspicious
- FNA
> 7 points
Highly suspicious
- FNA
