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Figure 1: A 46-year-old male had a nodule in his thyroid gland. (a) An ultrasound showed a mainly solid nodule before ablation. (b) An ultrasound showed an inhomogeneous internal echo in the ablated area. (c) Contrast-enhanced ultrasound showed that there was no contrast agent filling in the ablated nodule, indicating that the blood perfusion in the nodule disappeared and the ablation was completed. (d) Three months after the ablation, the volume of the nodule evidently decreased

Figure 1: A 46-year-old male had a nodule in his thyroid gland. (a) An ultrasound showed a mainly solid nodule before ablation. (b) An ultrasound showed an inhomogeneous internal echo in the ablated area. (c) Contrast-enhanced ultrasound showed that there was no contrast agent filling in the ablated nodule, indicating that the blood perfusion in the nodule disappeared and the ablation was completed. (d) Three months after the ablation, the volume of the nodule evidently decreased