Remodelling of the sacrum in high-grade spondylolisthesis: a report of two cases.
case_report · Level V
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- Record sourced from PubMed, PMID 12800009.
- Also identified by PMC identifier 3615498.
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Abstract
Two young patients are described, who were operated on for high-grade spondylolisthesis. A good posterolateral fusion was achieved, without decompression and without reduction. The clinical course was favourable, the tight hamstring syndrome resolved. Disappearance of the posterior-superior part of the sacrum and of the posterior part of the L5-S1 disc was observed on comparing pre- and postoperative magnetic resonance (MR) images. This resulted in normalisation of the width of the spinal canal. Around the L5 nerve roots in the L5-S1 foramina some fat reappeared. These anatomical changes on MRI could play a role in the disappearance of clinical symptoms.
Medical subject headings
- Bone Remodeling
- Lumbosacral Plexus
- Sacrum
- Spondylolisthesis
Anatomy
- sacrum-coccyx