Reoperation must excise thoroughly denatured protrusion,dissociate intervertebral disc tissue and all factors of making nerve canal stenosis,and rebuild the vertebrae stability. 再手術(shù)時(shí)應徹底切除變性突出,游離的椎間盤(pán)組織,解除一切構成神經(jīng)通道狹窄的因素,同時(shí)應注意對椎體穩定性的重建。