Metastasis of liver cancer to the thyroid after surgery: A case report

Figure 1 Thyroid color Doppler ultrasound showed hypoechoic nodules in the left lobe of the thyroid (TI-RADS 4b).

Figure 2 Tumor infiltration seen in the thyroid tissue.

Figure 3 Pathology showed liver cancer infiltration in thyroid tissue. A: H&E, × 100; B: H&E, × 200.

Figure 4 Immunohistochemical examination was positive for hepatocytes (× 100) and arginase-1 (× 100), and negative for TTF-1 (× 100). A: Hepatocytes (× 100); B: Arginase-1 (× 100); C: TTF-1 (× 100).