Figure 2. CT appearance of the anterior abdominal wall showing multiple collateral superficial veins in a patient with inferior vena cava obstructions (at least 11 on this image). Note, also, one enlarged deep collateral (arrow).
Figure 2. CT appearance of the anterior abdominal wall showing multiple collateral superficial veins in a patient with inferior vena cava obstructions (at least 11 on this image). Note, also, one enlarged deep collateral (arrow).