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Abstract #1898

7TAMIbrainT1w_30 : Whole-brain ultra-high resolution average T1-weighted template at 7 Tesla to improve in vivo depiction of small brain structures

Pierre Besson1,2,3, Arnaud Le Troter1,2, Julien Sein1,2, Gilles Brun1,2, Maxime Guye1,2, and Jean-Philippe Ranjeva1,2

1Aix-Marseille Université, CNRS, Centre de Résonance Magnétique Biologique et Médicale (CRMBM) UMR 7339, Marseilles, France, 2APHM, Timone Hospital, Pôle d’Imagerie, Centre d’Exploration Métabolique par Résonance Magnétique (CEMEREM), Marseilles, France, 3Siemens Healthcare, St Denis, France

UHF 7T MR scanners offers the possibility to acquire very high resolution in-vivo images, providing a new insight into human brain structural characterization. Nevertheless, in order to obtain highly contrasted and highly spatially resolved atlas, and to compensate for the drop in SNR related to reduction of the voxel size, averaging data among several subjects is needed. We present in this abstract an automatic pipeline that generates a whole brain high-resolution T1-weighted template (called 7TAMIbrainT1w_30) built from MP2RAGE acquisitions obtained in 30 healthy controls at 7T.

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