Abstract #3429
What is Txmax, anyway?
Jeffry R Alger 1
1
Neurology, Geffen School of Medicine, UCLA,
Los Angeles, CA, United States
Tmax is a hemodynamic parameter that is derived from
Dynamic Susceptibility Contrast (DSC) MRI studies. This
educational presentation will be targeted at helping
clinicians and technologists who are the end users of
DSC MRI to understand exactly how Tmax is derived, what
information it conveys and how it is related to other
hemodynamic images produced by DSC MRI studies. Central
DSC MRI concepts (signal change vs concentration,
arterial input selection, and deconvolution) will be
presented using simple diagrams without detailed
mathematics. Case studies will be used to illustrate
artifacts and the impact of acquisition and
postprocessing parameter choices.
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