EURORAD ESR

Case 1462

Absence of the infra-renal segment of the inferior vena cava

Author(s)
C. Oliveira, S. Vinhais, T. M. Cunha
 
Patient
female, 59 year(s)
 
 
  • Figure 1
    Absence of the infra-renal segment of the inferior vena cava

    Contrast-enhanced CT scan 1cm above the aorta bifurcation showing absence of the inferior vena cava. Collateral circulation has developed through an ingurgitated umbilical vein (white arrow) and through a...

     
    Area of Interest: unknown; Imaging Technique: Absence of the infra-renal segment of the inferior vena cava;
     
     
  • Figure 2
    Collateral circulation

    Pelvic contrast-enhanced CT showing an ingurgitated right inferior epigastric vein (white arrow). Dilated left superficial epigastric and thoracoepigastric veins are also shown (arrowheads).

     
    Area of Interest: unknown; Imaging Technique: Collateral circulation;
     
     
  • Figure 3
    Collateral circulation
     

    Abdominal contrast-enhanced CT: reperfusion of the umbilical vein (white arrow). Venous drainage of the lower body also occurs through a dilated retroperitoneal vein (arrowhead).

     
    Area of Interest: unknown; Imaging Technique: Collateral circulation;

    Abdominal contrast-enhanced CT: confluence of both renal veins at the origin of the supra-renal segment of the inferior vena cava. Reperfusion of the umbilical vein (white arrow) is seen. The right retroperitoneal...

     
    Area of Interest: unknown; Imaging Technique: Collateral circulation;
     
     
  • Figure 4
    Collateral circulation

    Abdominal contrast-enhanced CT. In this scan, the right retroperitoneal vein shows an axial course, entering the inferior vena cava. Reperfusion of the umbilical vein (white arrow) is seen. As an incidental finding a...

     
    Area of Interest: unknown; Imaging Technique: Collateral circulation;
     
     
Contrast-enhanced CT scan 1cm above the aorta bifurcation showing absence of the inferior vena cava. Collateral circulation has developed through an ingurgitated umbilical vein (white arrow) and through a retroperitoneal vein (arrowhead).
 
Pelvic contrast-enhanced CT showing an ingurgitated right inferior epigastric vein (white arrow). Dilated left superficial epigastric and thoracoepigastric veins are also shown (arrowheads).
 
Abdominal contrast-enhanced CT: reperfusion of the umbilical vein (white arrow). Venous drainage of the lower body also occurs through a dilated retroperitoneal vein (arrowhead).
 
Abdominal contrast-enhanced CT: confluence of both renal veins at the origin of the supra-renal segment of the inferior vena cava. Reperfusion of the umbilical vein (white arrow) is seen. The right retroperitoneal vein is also shown here (arrowhead).
 
Abdominal contrast-enhanced CT. In this scan, the right retroperitoneal vein shows an axial course, entering the inferior vena cava. Reperfusion of the umbilical vein (white arrow) is seen. As an incidental finding a pancreatic tumoral lesion was demonstrated.
 
 
 
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