[Lumbar spondylolisthesis with radicular compression symptoms; guide lines for diagnostic clarification and for conservative and surgical treatment].

: The clinical picture presented by cases of lumbar spondylolisthesis with radicular symptoms looks like to the displacement of the intervertebral disc. In Spondylolisthesis of the fourth lumbar vertebra the fourth and/or the fifth roots are involved, in slipping of the fifth vertebra the fifth lumbar and/or the first sacral roots. The mechanisms of the radicular involvement are discussed. The physiotherapy and the surgical treatment are presented. The surgical treatment entails decompression of the suffering nerve roots without spinal fusion. The results are satisfactory.