PMC4226457_01
Chest CT with contrast. Azygos-hemiazygos (red arrows) and the hepatic portion of the IVC (yellow arrow).. Abbreviations: CT, computed tomography; IVC, inferior vena cava.
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A spiral chest CT scan with contrast was performed, which ruled out an acute pulmonary embolism (Figure 1).
Hepatic IVC (circled).. Abbreviation: IVC, inferior vena cava.
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The CT scan documented attenuation of the hepatic IVC segment and multiple varices and collateral veins in the retroperitoneum around the kidneys, the expected location of the IVC, and collateral vessels in the left anterior chest wall (Figures 2 and 3).
CT scan with contrast.. Note: Extensive network of collaterals (circled).. Abbreviation: CT, computed tomography.
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The CT scan documented attenuation of the hepatic IVC segment and multiple varices and collateral veins in the retroperitoneum around the kidneys, the expected location of the IVC, and collateral vessels in the left anterior chest wall (Figures 2 and 3).
Lower extremity venogram. Interrupted IVC (yellow arrow) and lower extremity drained by hemiazygos veins (red arrow).. Abbreviation: IVC, inferior vena cava.
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Consequently, a right lower extremity ascending venogram was performed via the right popliteal vein with the patient in prone position (Figure 4).