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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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