http://www.neuroradiologycases.com/2012 ... h.html?m=1
Hmmm. New target of investigation if flow isn't optimal after PTA?So due to slow flow or sometimes reversed flow in the left jugular vein which occur secondary to compression of this left innominate vein by the aorta as the vein passes under the sternum, there is artifactual high signal in the left jugular vein.