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J Med Case Rep. 2012 Oct 3;6:337. doi: 10.1186/1752-1947-6-337.

Paraparesis caused by a cyst in the spinal canal from a pseudarthrosis 22 years following Harrington rod procedure for scoliosis: a case report.

Author information

  • 1The Royal Orthopaedic Hospital NHS Foundation Trust, Bristol Road South, Northfield, Birmingham, B31 2AP, UK. adriangardnerd@gmail.com.

Abstract

INTRODUCTION:

This case demonstrates very late neurological deterioration due to a pseudarthrosis in the fusion mass after scoliosis surgery. Though not the first case in the literature, it is the first case in which pre-operative magnetic resonance imaging revealed that the compression was due to a cyst arising from the pseudarthrosis.

CASE PRESENTATION:

Twenty-two years after a successful correction and fusion for scoliosis, a 38-year-old Caucasian man presented with progressive numbness and significant weakness. As revealed by imaging, a cyst relating to an old pseudarthrosis was compressing the spinal cord. This was removed, and the cord decompressed, resulting in resolution of all symptoms.

CONCLUSIONS:

Lifetime care of patients with scoliosis is required for very late complications of surgery. Asymptomatic pseudarthroses have the potential to cause symptoms many years after surgery.

PMID:
23034101
[PubMed]
PMCID:
PMC3470989
Free PMC Article
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