Abstract #2076
            Time resolved MR angiography in patients with MS, their healthy siblings and unrelated controls.
                      Enedino Hernndez-Torres                     1                    , Lindsay Machan                     1                    , 						Dessa Sadovnick                     2                    , Nancy Martin                     1                    , 						Warren Perera                     1                    , Anthony L Traboulsee                     2,3                    , 						David Li                     1                    , and Alexander Rauscher                     1          
            
            1
           
           Radiology, UBC, Vancouver, BC, Canada,
           
            2
           
           MS 
						Clinic, UBC, Vancouver, BC, Canada,
           
            3
           
           Neurology, 
						UBC, BC, Canada
          
            
          It has been suggested that multiple sclerosis may be 
						associated with changes in the brain's draining veins. 
						In this study we investigated the existence of those 
						changes using time resolved MR angiography in three 
						different groups: patients with MS, their healthy 
						siblings and unrelated controls. We analyzed the 
						cerebral circulation times for the three groups and did 
						not find significant differences between the different 
						groups (p>0.2). The results obtained suggests that 
						drainage abnormalities are not characteristic for MS.
         
				
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