Novel light-sheet scattering microscopy for voxel-wise validation of 3D-fibre orientations in murine white matter

Mario Corral-Bolaños, Tram Nguyen, Hans Martin Kjer, Marco Pizzolato, Casper Bo Gravesen Salinas, Johanna Perens, Jeppe Revall Frisvad, Julian Colombelli, Tim B Dyrby

Abstract

This work develops a novel 3D validation technique that reveals the white matter orientation with micron resolution in cleared murine brains. Light-sheet elastic scattering microscopy (LSSM) can be used to exploit the scattering signal exhibited by white matter fibres, which is dependent on their orientation. The rotation and imaging of the sample yield a scattering profile, which corresponds to that of infinitely long cylinders. Our work combines two orthogonal acquisitions to voxel-wise reconstruct 3D-fibre orientations in large brain volumes. LSSM could be the definitive validation method for diffusion MRI orientation methods.
Original languageEnglish
Publication dateJun 2023
Number of pages2
Publication statusPublished - Jun 2023
Event2023 ISMRM & ISMRT Annual Meeting & Exhibition - Metro Toronto Convention Centre, Toronto, Canada
Duration: 3 Jun 20238 Jun 2023
https://www.ismrm.org/23m/

Conference

Conference2023 ISMRM & ISMRT Annual Meeting & Exhibition
LocationMetro Toronto Convention Centre
Country/TerritoryCanada
CityToronto
Period03/06/202308/06/2023
Internet address

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