C. Lamartina


October 2001, Volume 10, Issue 5, pp 444 - 448 Hypothesis and new ideas Read Full Article 10.1007/s005860100284

First Online: 06 October 2001

The reduction and stabilisation of high-grade dysplastic developmental spondylolisthesis by means of modern internal fixators can correct slip, but can leave the sagittal alignment unbalanced, causing instability, e.g. in the adjacent, non-fused lumbar segments. Through analysis of the modifications of imbalance in the spine and pelvic ring due to surgical correction, this study defines the unstable zone of high-grade dysplastic developmental spondylolisthesis and proposes a simple radiographic method to identify it.


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