Combination of Maximum Shear Wave Elasticity Modulus and TIRADS Improves the Diagnostic Specificity in Characterizing Thyroid Nodules: A Retrospective Study

Table 2

Conventional US features for differentiating thyroid lesions.

US features	Benign	Malignant	value
Composition
Cystic or spongiform	3	0	<0.001
Mixed	8	0
Solid	110	177
Echogenicity			<0.001
Anechoic	3	0
Isoechoic or hyperechoic	46	18
Hypoechoic	70	137
Very hypoechoic	2	22
Shape			<0.001
Wider than taller	115	138
Taller than wider	6	39
Margin			<0.001
Smooth or ill defined	95	35
Lobulated or irregular	24	99
Extrathyroidal extension	2	43
Echogenic foci			<0.001
No echogenic foci	71	62
Large comet-tail artifacts	29	2
Macrocalcifications	8	5
Peripheral (rim) calcifications	2	8
Punctate echogenic foci	11	100