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CT images through the pelvis show the dilated collateral veins (A) in the suprapubic region, initially thought to be a hernia. Solid white arrows (B) show the external pudendal vein confluences with the great saphenous veins. 3D reconstructed image (C) shows the dilated inferior epigastric and external pudendal veins, providing collateral flow around the stenosed left iliofemoral venous system.
