• Clin Neurol Neurosurg · May 2017

    Application value of diffusional kurtosis imaging (DKI) in evaluating microstructural changes in the spinal cord of patients with early cervical spondylotic myelopathy.

    • Daowei Li and Xiaoming Wang.
    • Department of Radiology, Shengjing Hospital of China Medical University, Shenyang 110004, PR China; Department of Radiology, People's Hospital of China Medical University & Liaoning Provincial People's Hospital, Shenyang 110004, PR China.
    • Clin Neurol Neurosurg. 2017 May 1; 156: 71-76.

    ObjectiveTo investigate the application value of diffusional kurtosis imaging (DKI) in evaluating microstructural changes in the spinal cord of patients with early cervical spondylotic myelopathy (CSM).Patients And MethodsTwenty-five patients with early clinical stage CSM and twenty-five healthy controls underwent 3.0T MR scans with conventional MRI sequences and DKI with echo-planar imaging (EPI) sequence. DKI metrics such as fractional anisotropy (FA), mean diffusivity (MD), and mean diffusional kurtosis (MK) values were calculated separately for white matter (WM) and gray matter (GM).ResultsMK of the WM and GM were significantly higher in patients with early CSM than in healthy controls (P<0.005).ConclusionsMK can reflect microstructural changes of white matter and gray matter of spinal cord in patients with early CSM and has the potential to provide new information prior to conventional diffusion metrics such as MD and FA.Copyright © 2017 Elsevier B.V. All rights reserved.

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