Research Article

[Retracted] Benefits of Contrast-Enhanced Ultrasonography to the Differential Diagnosis of TI-RADS 4-5 Thyroid Nodules

Table 2

Ultrasonographic characteristics of thyroid nodules (US) [].

USBenign ()Malignant ()

EchogenicityHyperechoic5 (20.83)2 (6.06)10.7730.013
Isoechoic12 (50.00)8 (24.24)
Hypoechoic7 (29.17)18 (54.55)
Markedly hypoechoic0 (0.00)5 (15.15)
MarginRegular19 (79.17)4 (12.12)24.412<0.001
Lobulated or spiculated5 (20.83)27 (81.82)
Aspect ratio2 (8.33)20 (60.61)16.020<0.001
22 (91.67)13 (39.39)
CalcificationNone18 (75.00)3 (9.09)28.162<0.001
Micro2 (8.33)22 (66.67)
Coarse3 (12.50)5 (15.15)
Eggshell1 (4.17)3 (9.09)