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Fig. 2 | BMC Neurology

Fig. 2

From: Magnetic resonance imaging and dynamic X-ray’s correlations with dynamic electrophysiological findings in cervical spondylotic myelopathy: a retrospective cohort study

Fig. 2

MRI measurements illustration. a: transverse spinal canal area (subarachnoid space); b: Transverse spinal cord area; c: Central_Ratio and Compression_Ratio are calculated as follows: Central_Ratio = CSD / TD, Compression_Ratio = SD / TD. (SD = sagittal spinal cord diameter, TD = transverse spinal cord diameter, CSD = Central sagittal diameter of the spinal cord); d: 1/4-Lateral_Compression_Ratio is calculated as follow: 1/4-Lateral_Compression_Ratio = (LQSD + RQSD) / 2TD. (RQSD = 1/4-lateral anteroposterior diameter on the right side, LQSD = 1/4-lateral anteroposterior diameter on the left side)

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BMC Neurology

ISSN: 1471-2377

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