Abstract #2762

The choroid plexus as a source for selecting an arterial input function for resting cerebral perfusion measures

Olivia Sobczyk¹, Ece Su Sayin², Julien Poublanc¹, Harrison Toby Levine², James Duffin², Joseph Arnold Fisher², and David John Mikulis¹

¹University Health Network, Toronto, ON, Canada, ²Physiology, University of Toronto, Toronto, ON, Canada

Synopsis

Keywords: Susceptibility, PerfusionThe choroid plexus is composed of arteries and stroma with negligible metabolic activity allowing its vessels to remain arterialized throughout its structure. We assessed the choroid plexus as a suitable alternate arterial input function rather than the middle cerebral artery in DSC imaging in individuals with both normal vasculature and pathology affecting the middle cerebral artery.

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