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cervical spinal stenosis

Under normal conditions, the inner diameter of cervical spinal canal (anterior and posterior sagittal diameter and left and right transverse diameter) has a certain size to accommodate spinal cord nerves and other tissues in the spinal canal. However, if its inner diameter is less than normal, especially when the absolute value of sagittal diameter is less than 12mm, it constitutes a relatively narrow spinal canal, while it is absolutely narrow when it is less than 10mm, and can cause a series of...

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