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Abstract #0954

Visualization of Accessory Root of Trigeminal Nerve Using HFMRI: Potential for Preoperative Planning

Julien Sein1, Bharathi D. Jagadeesan2, 3, Andrew W. Grande3, 4, Julian Tokarev5, Michael Salmella2, Kamil Ugurbil1, Pierre-Francois Van de Moortele1

1CMRR, University of Minnesota, Minneapolis, MN, United States; 2Department of Radiology, University of Minnesota, Minneapolis, MN, United States; 3Department of Neurosurgery, University of Minnesota, Minneapolis, MN, United States; 4Department of Neurology, University of Minnesota, Minneapolis, MN, United States; 5Medical School TC, University of Minnesota, Minneapolis, MN, United States

Trigeminal Neuralgia is a disorder whose exact pathophysiological mechanism remains unknown although in most cases by neurovascular compression along the trigeminal nerve by a neighboring vessel. It is critical for diagnosis and preoperative planning to understand the relationships between the neurovascular entities involved in this compression. We show that high-resolution images acquired on a 7T MRI scanner using different contrast modalities (T1, T2, T2*) clearly depict these neurovascular structures. Therefore high resolution imaging of the Trigeminal Nerve at 7 Tesla has the potential to further our understanding of the pathophysiology of this disorder.

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Keywords

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