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Figure 3 | Thyroid Research

Figure 3

From: Metastatic carcinoma to the thyroid gland from renal cell carcinoma: role of ultrasonography in preoperative diagnosis

Figure 3

(Patient 7). a. Ultrasonography of the right lobe. A solid tumor. The internal echo is iso- to hypo-echoic and heterogeneous, and appears to show multiple small masses in the tumor. b. Power Doppler ultrasonography. c. Ultrasonography of the right lobe. Tumor thrombus (arrows) is observed in the superior thyroid vein. d. Gross resected specimen. Solid tumor in the right lobe of the thyroid and bulbous intravascular component, tumor thrombus (arrow), are shown.

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