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ACR TIRADS CALCULATOR FOR THYROID NODULES

Composition

(Choose 1)

points
0
0
1
2
2
Echogenicity

(Choose 1)

points
0
1
2
3
1
Shape

(Choose 1)

points
0
3
Margin

(Choose 1)

points
0
0
2
3
0
Echogenic
foci

(Choose all that apply)

points
0
1
2
3


Read this simplified TIRADS article and other TI RADS resources. Bookmark this page for future reference (‘Ctrl+D’ (Windows)/ ‘⌘ +D’ (Mac users).

Use this TIRADS chart for reference:

ACR TI RADS chart guidelines High Resolution image
ACR TIRADS chart
ACR TIRADS chart

A simple TIRADS calculator based on the ACR-TIRADS whitepaper on ultrasound characterization of thyroid nodules with recommendations for FNA.

Select individual characteristics for nodule and the calculator will calculate the total TIRADS score for the thyroid nodule and the FNA recommendations. The calculator is unique as it is modeled on the ACR TIRADs chart to make it more user-friendly.

Online TIRADS calculator for thyroid nodules
Online TIRADS calculator for thyroid nodules

TIRADS resources:

Disclaimer: The author makes no claims of the accuracy of the information contained herein; this information is for educational purposes only and is not a substitute for clinical judgment. This calculator is based upon the American College of Radiology (ACR) TIRADS classification but is not officially endorsed by the ACR.

 

Translated version is available in multiple languages, including Spanish language.

Para acceder a la versión en español de la calculadora TIRADS, use la opción de traducción en la esquina superior derecha.

Instructions on how to use the translate option on RadioGyan.com
Instructions on how to use the translate option on RadioGyan.com

For more radiology resources, check out RadioGyan homepage!

Frequently Asked Questions about TIRADS

What is ACR TI-RADS?

TI-RADS is a five-point reporting system for characterizing thyroid nodules on Ultrasound formulated by the ACR akin the BIRADS for breast nodules.

What does TIRADS stand for?

TI-RADS stands for Thyroid Imaging Reporting and Data System.

What is TIRADS score?

TIRADS score is used for characterization of thyroid nodules on sonography and can help clinicians to evaluate whether a nodule is benign (not to be worried about) or malignant (worrisome/ cancerous)

What is TIRADS 1 nodule?

TIRADS 1 nodule is a benign thyroid nodule based on ultrasound findings. The score for this nodule is 0 points.

What is TIRADS 2 nodule?

TIRADS 2 nodule is a thyroid nodule that is not suspicious for malignancy based on ultrasound findings. The score for this nodule is 1-2 points.

What is TIRADS 3 nodule?

TIRADS 3 nodule is a thyroid nodule that is mildly suspicious based on ultrasound findings. The score for this nodule is 3 points

What is TIRADS 4 nodule?

TIRADS 4 nodule is moderately suspicious for malignancy based on ultrasound findings. The score for this nodule is 4-6 points

What is TIRADS 5 nodule?

TIRADS 5 nodule is highly suspicious for malignancy based on ultrasound findings. The score for this nodule is more than 7 points.

What are TIRADs criteria for a biopsy?

Calculate the TIRADS score from the above calculator and using the article. Nodule size criteria for FNA/ Biopsy is recommended for each category as follows:
TIRADS 1/2 : No biopsy recommended
TIRADS 3   :  2.5 cm
TIRADS 4   : 1.5 cm
TIRADS 5   : 1 cm

Developed and maintained by Aniket Udare

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