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Abstract #1889

Simultaneous depiction of arterial and venous vasculature at high spatial resolution with 3D spoiled gradient multi-echo acquisition at 7T

Hana Hlavata1, Mauro Costagli2, Janine M Lupo3, Emiliano Perticaroli4, Michela Tosetti2, and Mirco Cosottini5

1IRCCS Stella Maris, Pisa, Italy, 2Imago 7 Research Center, IRCCS Stella Maris, Pisa, Italy, 3University of California San Francisco, San Francisco, CA, United States, 4Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy, 5University of Pisa, Pisa, Italy

The simultaneous depiction of both arterial and venous vasculature has recently been demonstrated by using multi-echo sequences. We quantitatively and qualitatively assessed the simultaneous representation of intracranial arteries and veins at a higher resolution than previously reported using a customized 3D spoiled gradient multi-echo sequence at 7T. Such custom sequence had an overall better capability of depicting the arterial vasculature compared to conventional time-of-flight (TOF) arteriography. On the contrary, veins were in general better depicted by conventional susceptibility-weighted venography, however the custom multi-echo sequence provided superior quality images of the superficial veins.

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