They can extend through the sacral foramen to cause sacral nerve root compression.
肿瘤可通过骶孔生长而引起骶神经根压迫症状。
Objective To investigate the effects of nerve root compression on dorsal root ganglia.
目的探讨神经根受压后对背根神经节的影响。
Perineural cysts are usually an incidental finding, but rarely may cause mechanical nerve root compression.
神经束囊肿通常偶然发现的，但很少会引起机械性的神经根压迫。
In the 4 years before the authors treated him, he was hospitalized 4 times for 4 recurrences of nerve root compression.
在作者治疗他之前的4年里，该病人因4次复发神经根压迫而4次入院。
Conclusions. Forearm pronation weakness is the most frequent motor finding in C6 radiculopathies and may be noted in some cases of C7 nerve root compression.
结论：旋前圆肌肌力减弱是C6神经根性颈椎病最常见的运动障碍，并且在有些C7神经根受压患者也会出现。
Methods: 43 cases of sacral nerve root compression without lumbar disc protrusion were treated with laminectomy or decompression of the intervertebral foramen.
方法：对43例无椎间盘突出的腰骶神经根压迫症行椎板切除或椎间孔减压术。
Conclusions Myelography in the upright standing position is perhaps superior to CT or MRI for the diagnosis of LDH, especially LDH at L4-5 with nerve root compression.
结论直立位椎管造影对腰椎间盘突出的诊断可能优于CT或MRI，尤其对L4 5椎间盘突出伴有神经根受压的病例。
Objective: To provide evidences for the image diagnosis and the selection of surgical approach of nerve root compression in lateral stenosis of the lower lumbar vertebral canal.
目的：为神经根管狭窄神经根压迫的影像学诊断和手术进路选择提供依据。
Conclusion Spiral ct can clearly show the lumbar disc and its direction, extent, and dural sac, nerve root compression case, the diagnosis of lumbar disc herniation has a higher value.
结论螺旋CT能清楚显示腰椎间盘突出及其方向、程度以及硬膜囊、神经根受压情况，对诊断腰椎间盘突出症有较高的价值。
Conclusion Spiral ct can clearly show the lumbar disc and its direction, extent, and dural sac, nerve root compression case, the diagnosis of lumbar disc herniation has a higher value.
结论螺旋CT能清楚显示腰椎间盘突出及其方向、程度以及硬膜囊、神经根受压情况，对诊断腰椎间盘突出症有较高的价值。
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