Figure 2.
A 38-year-old woman with a nodule in the right-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 equal arrival time, iso-enhancement, homogeneity, and diffuse enhancement, receiving a score of 0 in the CEUS model. The CEUS-TIRADS category was 4a. The pathological result was Hashimoto’s thyroiditis.