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| The application of DTI and DTT in Brown-Sequard syndrome caused by trauma |
| ZOU Zhi-meng1, GONG Tao2, CAO Qing-yong1, SHEN Xiao-jun1, WANG Bin2 |
| 1. Yantai Hospital Affiliated to Binzhou Medical University, Yantai Shandong 264100, China;2. Binzhou Medical University, Yantai Shandong 264003, China |
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Abstract Objective: To investigate the value of diffusion tensor imaging(DTI) and diffusion tensor tractography(DTT) in spinal cord injury with Brown-Sequard syndrome caused by trauma. Method: The routine MRI and DTI examnation were performed for patients with Brown-Sequard syndrome caused by trauma within a week. The FA value and the ADC value were measured in more than one vertebral bodies, including the injury side(called A) and relatively normal side(called B) of spinal cord in the level of injury, and the upper(called C) and lower(called D) level of spinal cord injury, then mapping the DTI parameters and DTT figure. Compare and statistical analysed the differences of FA values and ADC values in different regions. Results: The FA value was 0.296±0.011, 0.734±0.059, 0.799±0.076 and 0.716±0.078 in the group A, B, C and D respectively. The ADC value was (1.957±0.41)×10-3 mm2/s, (1.287±0.416)×10-3 mm2/s, (0.924±0.113)×10-3 mm2/s and (0.995±0.097)×10-3 mm2/s in the group A, B, C and D respectively. The differences of FA values and ADC values were statistically significant(P<0.05) between group A and B. The differences of FA values were statistically significant(P<0.05) between group C and D, while the differences of ADC values were not(P>0.05). The reduction of FA values and the rise of ADC values were statistically significant(P<0.05) in group A, B, C and D, while the reduction of FA values were not in group B, C, and D(P>0.05). DTT images showed the fiber bundles of the injured side were fractured and closed to the relatively normal side in the level of spinal cord injury. Conclusion: The FA and ADC values change obviously in the group A, B, C and D. DTI and DTT images can show the damage and degree of asymmetry in the nerve fiber bundles more precisely, and consistent with the nerve function injury of patients. DTI and DTT can provide the image information of patients with Brown-Sequard syndrome caused by trauma accurately.
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Received: 21 June 2013
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Corresponding Authors:
WANG Bin
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2013, Vol. 24 
