1. TI-RADS: Thyroid Imaging
Reporting and Data System
Standardizing Risk Stratification in
Thyroid Nodules
Presenter: [Your Name]
Department of Radiology
[Date]
2. Learning Objectives
• Understand the purpose of TI-RADS
• Review different TI-RADS classification systems
• Learn ACR TI-RADS scoring criteria
• Discuss recommendations for biopsy and
follow-up
• Compare ACR, EU, and Korean TI-RADS
(optional)
3. Introduction to TI-RADS
• TI-RADS is a risk stratification system for
thyroid nodules
• Inspired by BI-RADS (used in breast imaging)
• Aims to standardize ultrasound reporting
• Guides clinical management (e.g., FNA biopsy
decisions)
4. Common TI-RADS Systems
• • ACR TI-RADS (American College of
Radiology)
• • EU TI-RADS (European Thyroid Association)
• • K-TIRADS (Korean Society of Thyroid
Radiology)
• Each system uses slightly different criteria and
recommendations
7. ACR TI-RADS – Biopsy
Recommendations
• TR1 and TR2: No FNA or follow-up
• TR3: FNA if ≥2.5 cm; follow-up if ≥1.5 cm
• TR4: FNA if ≥1.5 cm; follow-up if ≥1.0 cm
• TR5: FNA if ≥1.0 cm; follow-up if ≥0.5 cm
8. Comparison of TI-RADS Systems
• ACR TI-RADS: Point-based
• EU TI-RADS: Pattern-based
• K-TIRADS: Pattern-based with emphasis on
malignancy risk
• Choice depends on regional guidelines and
clinical setting
9. Limitations and Challenges
• Interobserver variability
• Overlapping features between benign and
malignant nodules
• May not replace clinical judgment or cytology
• Still evolving with newer AI-based tools
10. Summary
• TI-RADS provides a standardized way to assess
thyroid nodules
• ACR TI-RADS is widely used and evidence-
based
• Appropriate use can reduce unnecessary FNAs
• Understanding system strengths and
limitations is essential
11. References
• 1. ACR TI-RADS Committee White Paper, 2017
• 2. European Thyroid Association Guidelines,
2017
• 3. Kwak JY et al., Korean Journal of Radiology,
2016
• 4. RSNA TI-RADS Lecture Series
![TI-RADS: Thyroid Imaging
Reporting and Data System
Standardizing Risk Stratification in
Thyroid Nodules
Presenter: [Your Name]
Department of Radiology
[Date]](https://image.slidesharecdn.com/ti-radspresentation-250529181002-30a0a947/85/TI-RADS_Presentation-pptx-and-its-problems-1-320.jpg)
