4Stephen T. Failed back syndrome [J]. The Neurologis, 2004,10 (5) : 257-264.
5Czervion I. F,Berquist T H. Imaging of the Spine: techniques of MR imaging [J]. Orthop Clin North Am,1997,28(4):583-616.
6Taneichi H, Aburni K, Kaneda K, et al. Significance of Gd DTPA enhanced magnetic resonance imaging for lumbar disc herniation: the relationship between nerve root enhancement and clinical manifestations [J]. J Spine Disord,1994,7(2) :153 160.
7Nygaard O P, Jacobsen E A, Solberg T,et al. Never root signs on post-operative lumbar MR Imaging-a prospective cohort study with contrast enhanced MRI in sumptomatic and asymptomatic patients one year after microdiscectomy [J]. Acta Neurochir, 1999,141(6):619-623.
8Matsui H,Tsuji H,Kanamori M ,et al. Laminectomy- induce arachnoradiculit is :a postoperative serial MRI study[J]. Neuroradiology, 1995,37 (8) : 660-666.
9Cinotti G,Gumina S ,Giannicola G ,et al. Contralater al recurrent lumbar disc herniation:resuh of discec tomy compared with those in primary herniation[J]. Spine,1999,24(8) :800-806.
10Norht R B,Campbell J N,James C S,et al. Failed back surgery syndrome:5-year follow up in 102 patients undergoing repeated operation [J]. Neuro surgery, 1991,28 (5) : 685-691.