Presentation TCT 2013 Chronic Cerebrospinal Venous Insufficiency: The Association Between the Extent Of Extracranial Venous Anomalies and Clinical Severity and Duration of Multiple Sclerosis. Presenter: Juraj Madaric, Andrej Klepanec, Rastislav Bazik, Marek Toth, Terezia Urlandova, Jana Margitfalviova, Juraj Mikulas, Erika Drangova, Daniela Hladikova, Tibor Balazs, Vladimir Neuschl, Ivan Vulev January 31, 2013