For Patients
Is TI-RADS 3 Dangerous?
TI-RADS 3 (TR3) is mildly suspicious with only ~5% cancer risk. Learn why TR3 is usually not dangerous…
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For Patients
What Does Hypoechoic Mean on a Thyroid Ultrasound?
Hypoechoic means darker than normal tissue on ultrasound. Learn what it means for thyroid nodules, how many TI-RADS…
July 24, 2026
For Patients
What Does TR4 Mean on a Thyroid Ultrasound?
TR4 on a thyroid ultrasound means moderately suspicious with ~9% cancer risk. Learn what it means, whether biopsy…
July 24, 2026
For Patients
How to Read Your Thyroid Ultrasound Report
Learn how to read your thyroid ultrasound report. Understand what TI-RADS categories, echogenicity, composition, and size measurements mean…
July 24, 2026
For Patients
Is TI-RADS 5 Always Cancer?
A TI-RADS 5 (TR5) thyroid nodule is highly suspicious but is not always cancer. About 65% of TR5…
July 24, 2026
For Clinicians
How the Thyroid Volume Formula Works
Learn how the ellipsoid formula (L x W x D x 0.523) calculates thyroid volume from ultrasound measurements,…
July 24, 2026
For Patients
What Volume Is Considered an Enlarged Thyroid?
Learn what thyroid volume is considered enlarged (goiter) on ultrasound, common causes, and when treatment is needed based…
July 24, 2026
For Patients
Normal Thyroid Size on Ultrasound
What is a normal thyroid size on ultrasound? See volume ranges in mL by age and gender, how…
July 24, 2026
TI-RADS
What Does Your TI-RADS Score Mean?
Understand your TI-RADS score in plain English. See what TR1, TR2, TR3, TR4, and TR5 mean for thyroid…
July 19, 2026
For Clinicians
ACR TI-RADS: The Thyroid Nodule Scoring System
ACR TI-RADS scores 5 thyroid nodule ultrasound features into categories TR1 to TR5. See how the points and…
July 19, 2026