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3D imaging of the venous system has become more promising according to a study published by Dr Uhl in Paris
Monday, November 26, 2012


A study was done with CT imaging venography for mapping of the venous system and was published by JF Uhl and colleagues in Paris, France. It's aim was to utilize 3D imaging using CT venography in the mapping of the venous system.


Study Abstract: "The aim of multislice helical computed tomography venography (CTV) is to provide a precise, global and three-dimensional (3D) anatomical depiction of the venous network of the lower limbs. A multislice and multidetector spiral CT acquisition of the lower limbs with contrast injection of the dorsal foot produces about 1000 slices in 30 seconds. Dedicated volume-rendering software can compute a realistic and interactive 3D model of the venous system in realtime. This new tool furnishes an accurate 3D representation of the whole venous system of the lower limb with a realistic 3D model of the limbs, providing a road map of the varicose networks complementary to the duplex ultrasound (DUS). CTV allows a complete morphological study of the deep veins, including the detection of anatomical variations and proximal venous obstruction, not easily detectable by DUS. In the case of deep vein thrombosis, it has been shown to be a good diagnostic tool, well correlated with sonography. It also demonstrates, in some cases, haemodynamic patterns which are not available by DUS, particularly for perforator veins and congenital vascular malformations. The use of virtual reality techniques enables a complete anatomical study of both deep and superficial veins including a virtual dissection of the limbs. CTV is also a great educational tool to learn anatomy of the venous system and a powerful research tool to improve our knowledge of venous anatomy."


Editor's Note ( This is a great tool at present for mapping the venous system and also for educating phlebologists in training. Needless to say, this will be very important when technology catches up with imaging modalities and treatments of the deep venous system become more prevalent and commonplace".

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