Ultrashort echo time (UTE) MRI is capable of directly imaging myelin protons. We present the first application of a UTE sequence to study an animal model of demyelination, using inversion recovery (IR) and 3D radial sampling. Mice treated with 0.2% cuprizone for 5 weeks show loss of the 3D IR-UTE signal in the lateral corpus callosum, which is expected to be maximally demyelinated at this time point. Future studies of histologically validated demyelination and remyelination in this model will further confirm the capability of 3D IR-UTE to selectively image myelin.
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