For Clinicians
Kwak TIRADS Classification: The Original Scoring System
The Kwak TIRADS classification was the first widely adopted thyroid nodule scoring system. Learn how it works, how…
Category: For Clinicians
For Clinicians
Fine Needle Aspiration Cytology (FNAC): How It Works
Fine needle aspiration cytology uses a thin needle to sample cells for microscopic study. Learn needle gauges, technique,…
August 4, 2026
For Clinicians
Bethesda System for Thyroid Cytopathology Explained
The Bethesda System classifies thyroid FNA results into six categories. See each category, its malignancy risk, and recommended…
August 2, 2026
For Clinicians
How to Measure Thyroid Volume on Ultrasound
Step-by-step guide to measuring thyroid volume on ultrasound. Learn the correct planes, caliper placement, ellipsoid calculation, and common…
July 26, 2026
For Clinicians
EU-TIRADS vs ACR TI-RADS: What Is the Difference?
Compare EU-TIRADS and ACR TI-RADS thyroid nodule scoring systems. See how their categories, point systems, and biopsy thresholds…
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 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