Evaluation of MRI included decrease in signal intensity of discs, posterior disc protrusion, disc space narrowing, and foraminal stenosis using 2 to 4 numerical grades.
MRI使用2 - 4数字评分评估包括椎间盘信号强度降低，椎间盘向后突出，椎间隙狭窄，以及椎间孔狭窄。
Condclusion: the stability of the goat's cervical spine is not affected after PCD with CNL, but the procedure may cause disc space narrowing and disc bulging.
结论：经皮颈椎间盘切吸加溶核对山羊颈椎的稳定性无影响，但可引起手术间隙变窄和手术间盘纤维环膨出。
Results. Needle punctures with full or half penetration caused significant disc space narrowing and progressive histologic changes of degeneration as early as 1 and 2 weeks after injury, respectively.
结果早在1和2周后，全或半穿刺分别造成了明显的椎间盘间隙狭窄和进行的组织学变性。
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