Abstract #1426
Tractography of the trigeminal nerve using 7T MRI
Christophe Lenglet 1 , Julien Sein 1 , Julian Tokarev 2 , Andrew W Grande 3 , Bharathi Jagadeesan 4 , and Pierre-Francois Van de Moortele 1
1
Center for Magnetic Resonance Research,
University of Minnesota, Minneapolis, MN, United States,
2
University
of Minnesota, Minneapolis, MN, United States,
3
Department
of Neurosurgery, University of Minnesota, Minneapolis,
MN, United States,
4
Department
of Radiology, University of Minnesota, Minneapolis, MN,
United States
We performed ultra high-field (7T) diffusion MRI and
probabilistic tractography on the trigeminal nerve in a
series of normal volunteers. We were able to reconstruct
the detailed three-dimensional course of fiber pathways
from individual divisions of the trigeminal nerve, as
they travel within its ganglion and the nerve root to
the brain stem. This information can be useful to better
understand the etiology of Trigeminal Neuralgia, a
poorly understood neurological disorder, which is
characterized by extremely painful episodes of facial
pain produced by routine stimuli like light touch.
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