Unusual Case of Superior Vena Cava Syndrome Caused by Intravascular Thyroid Metastasis

Figure 1

(a) An uptake in the 18F-fluoro-D-glucose PET and (b) small depletion defect in the innominate vein growing towards the superior cava vein, and when we did the fusion with CT scan, (c) intravascular metastasis was found.