Multi Slice CT: CT Perfusion

Clinical Case

CT Perfusion

Stroke Case

  • 53-year-old man, with suspicion of a cardiogenetic embolism with acute onset of a right hemianopsysis, images acquired just under three hours from onset of symptoms.
  • The comparison between the MTT and the CBV functional maps gives us a good idea of the core and penumbra of the region affected by the stroke.




Click on the images to enlarge

CT Perfusion CT Perfusion CT Perfusion
Primary Perfusion-Scan Image MTT, Mean Transit Time BV, Blood Volume

Images are courtesy of Prof. Traupe, University Hospital of Giessen (Germany)




CT parameters

  • Scanner = HiSpeed NX/i (Dual-Slice CT System)
  • Tube voltage = 80 kV
  • Tube current = 190 mA
  • Slice thickness = 10 mm
  • Scan Time = 45 sec
  • Scan delay = 5 sec
  • Contrast agent = 300 mmol
  • Contrast volume = 40 cc
  • Flow rate = 4 cc/sec
  • Workstation = AW 4.0




The image quality on the web depends on your computer configuration and settings.Therefore GE does not recommend to consider it as the actual system image.