Fig. 1
From: Renal cell carcinoma on imaging unveiled as a primary Ewing’s sarcoma
Axial non-contrast A and contrast-enhanced CT B, C images depicting an ill-defined hypoenhancing infiltrative lesion predominantly involving the middle and lower pole of right kidney reaching up to the renal hilum, D Coronal image shows tumor thrombus in the right renal vein, extending into the infrahepatic portion of IVC. (arrow). E, F Axial image showing few hypodense lesions in both lobes of liver. G, H PET axial image shows metabolic active lesion with heterogeneous tracer uptake in the mid & lower pole of the right kidney (SUV = 4.8)