Abstract
In the recent publication “Comparison of computed tomography venography and intravascular ultrasound in screening and classification of iliac vein obstruction in patients with chronic venous disease”, Rossi et al1 demonstrated that computed tomography venography (CTV) was a powerful screening tool for detecting iliac vein obstruction (IVO), even outperforming intravascular ultrasound (IVUS) examination in detecting IVO for six patients with chronic venous disease (CVD). We are puzzled at the high sensitivity of CTV (94%) in ruling out IVO and that lesions missed on IVUS examination may be detected on CTV.
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