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AJNR - American Journal of Neuroradiology

Published ahead of print on January 31, 2008
doi: 10.3174/ajnr.A0916

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Diffusion Tensor MR Imaging in Cervical Spine Trauma

K. Shanmuganathan^a, R.P. Gullapalli^a, J. Zhuo^a and S.E. Mirvis^a

^a From the Department of Diagnostic Radiology, University of Maryland Medical Center, Baltimore, Md

View larger version (59K): [in this window] [in a new window]   Fig 1. Images showing the placement of regions of interest in the sagittal T2-weighted image (A), FA image (B), and the corresponding ellipsoid representation of the tensor at each level of the cord (C).

View larger version (89K): [in this window] [in a new window]   Fig 2. A 56-year-old man admitted following a fall, with central cord syndrome. A, T2-weighted image shows a cord contusion (arrowhead) posterior to the C4-5 disk space. Ellipsoid representation of the tensor of the axial cervical cord of the patient and healthy volunteer at corresponding anatomic levels of the upper cord (B), adjacent to the contusion (C), cord contusion (D), and the lower cord (E) shows abnormal ellipsoid representation of the cord at and away from the cord contusion, where the conventional MR imaging shows no signal-intensity abnormality

View larger version (49K): [in this window] [in a new window]   Fig 3. Comparison of whole spine control (n = 8) DTI parameters with the patient population (n = 16), patients exhibiting hemorrhagic (Hem) injury (n = 6), patients with quadriplegia (Quads, n = 7), and site of injury (n = 11).