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• W1493673378 abstract "Magnetic resonance spectroscopy is commonly used to provide cellular and metabolic information in the management of a variety of pathological processes that affect the brain, and its application recently has been expanded to the cervical spine. The majority of radiographic investigations into the pathophysiology of cervical spondylotic myelopathy (CSM) have been focused on the spinal cord macrostructure. The authors sought to determine the feasibility of using MR spectroscopy to analyze spinal cord biochemical function in patients with CSM.Twenty-one patients with clinical and radiographic evidence of CSM were prospectively enrolled in this study. The patients underwent preoperative neurological examination, functional assessment, and cervical spine MR spectroscopy. Voxels were placed at the C-2 level, and the MR spectroscopy spectra peaks for N-acetylaspartate (NAA), choline, lactate (Lac), and creatine (Cr) were measured. Thirteen age-matched healthy volunteers served as controls.The NAA/Cr ratio was significantly lower in patients with CSM than in controls (1.27 vs 1.83, respectively, p < 0.0001). The choline/Cr ratio was not significantly different between the 2 groups. Seven of the patients with CSM had a Lac peak, whereas no peaks were noted in the control group (p < 0.05). There was no correlation between the severity of myelopathy and the NAA/Cr ratio in the CSM cohort.Data in this study demonstrated the feasibility of using MR spectroscopy to evaluate the cellular biochemistry of the spinal cord in patients with CSM. Patients with CSM had a significantly lower NAA/Cr ratio than healthy controls, likely because of axonal and neuronal loss. The presence of Lac peaks in one-third of the patients in the CSM cohort further supports the role of ischemia in the pathophysiology of CSM." @default.
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• W1493673378 date "2009-03-01" @default.
• W1493673378 modified "2023-10-16" @default.
• W1493673378 title "Proton magnetic resonance spectroscopy to evaluate spinal cord axonal injury in cervical spondylotic myelopathy" @default.
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• W1493673378 doi "https://doi.org/10.3171/2008.12.spine08367" @default.
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