Figure 3.
A 35-year-old woman with a nodule in the left-lobe of her thyroid gland. There are two suspicious signs with the nodule (solid and irregular margin) and it was defined as C-TIRADS 4b. In CEUS analysis, it reflected as later arrival time, hypo-enhancement, heterogeneous and centripetal enhancement, getting a score of 4 in the CEUS model. The CEUS-TIRADS category was 4c. The pathological result was papillary thyroid carcinoma.