The Value of Peripheral Enhancement Pattern for Diagnosing Thyroid Cancer Using Contrast-Enhanced Ultrasound

Table 1

The internal enhancement patterns of benign and malignant thyroid nodules on CEUS.

Internal enhancement patterns	Benign () (%)	Malignant () (%)	χ ^2	value
Homogeneous low enhancement	5 (6.4%)	6 (14.3%)	40.61	≤0.001
Heterogeneous low enhancement	1 (1.3%)	11 (26.2%)
Homogeneous iso-enhancement	23 (29.5%)	6 (14.3%)
Heterogeneous iso-enhancement	3 (3.8%)	6 (14.3%)
Homogeneous high enhancement	9 (11.5%)	5 (11.9%)
Heterogeneous high enhancement	10 (12.8%)	8 (19%)
Mainly no enhancement or no enhancement	27 (34.6%)	0