Diagnostic Medical Sonography News January 2019 | 页面 4

Listed below are the BIRADS and
TIRADS for comparison purposes:
BIRADS
BI-RADS 0 Incomplete
BI-RADS 1 Negative
BI-RADS 2 Benign
BI-RADS 3 Probably benign
BI-RADS 4 Suspicious with 3 sub-categories
BI-RADS 5 Highly suggestive of malignancy
BI-RADS 6 Known biopsy-proven malignancy
TIRADS
Composition
Cystic or completely cystic
Spongiform
Mixed cystic and solid
Solid or almost completely solid
Echogenicity
Anechoic
Hyper-or isoechoic
Echogenic foci
None
Large comet tail artifact
Macro calcifications
Peripheral/rim calcifications
Punctate echogenic foci
Hypoechoic

Very hypoechoic
Shape
Wider than tall
Taller than wide
Margin
Smooth
Ill-defined
Lobulated-irregular

Extra-thyroidal extension
For the categories above,
points are given for
each subcategory, and a
classification is given for
each finding.
In conclusion:
Diagnostic
Medical
Sonography
TIRADS offers a quick and easy assessment of most thyroid gland findings. This classification
system appears a bit more complicated than the established BIRADS classification utilized
for breast imaging but, once the practitioner has mastered its understanding, the overall
accuracy of thyroid findings should fall within acceptable limits.