PMC2684223_01
Magnetic resonance imaging of the tumor. Thick arrow - The tumor and the thin arrow - Aorta
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Radiological imaging with ultrasonography, computed tomography and magnetic resonance imaging and magnetic resonance angiography revealed a retroperitoneal mass arising probably from the IVC, encasing the right renal vein and infiltrating the right kidney with ?tumor in the IVC [Figure 1].
Magnetic resonance angiogram: extensive collaterals formed
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Multiple large collateral vessels were also demonstrated [Figure 2].
The left renal vein opens into partly patent IVC. The tumor extends below the entry point
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The infra-renal IVC was completely blocked by the tumor [Figures 3 and 4].
Infra-renal IVC is blocked completely by the tumor
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The infra-renal IVC was completely blocked by the tumor [Figures 3 and 4].
A-IVC, B-Aorta, C-Left renal vein, D-Intraluminal tumor distending IVC, E-Right ureter, F-Thickened common iliac vein. Shaded area is the IVC tumor
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The tumor was found to be arising from the suprarenal IVC (around 2 cm below the hepatic veins) with dense adherence to right kidney and extension of tumor down to right renal vein and both common iliac veins (whitish discoloration and thickening) [Figure 5].