关节突关节肥大或滑囊囊肿可造成腰椎侧方和中央狭窄，这将对神经根造成压迫。

FJ hypertrophy or a synovial cyst can contribute to lateral and central lumbar stenosis, which can lead to impingement on the exiting nerve root.

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小触手刺丝囊疣从乳突状变为棒状；生殖腺形状从米粒状变为小囊状、三角囊袋状。

Nematocyst warts on the small tentacles become stick from conical and the shape of gonads changes triangular pocket-like from grain-like to small vesica.

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而CT的优势在于能清楚地表现椎间盘、硬膜囊、关节突和椎管内外结构的变化。

The advantages of CT scan are that the changes of intervertebral disc, dural sca, articular process and spinal canal, can be showed clearly.

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