Grade 4 spondylolisthesis of the L5 vertebra associated with dural ectasia in neurofibromatosis

H. N. Modi, S. Srinivasalu, Seung Woo Suh, J. H. Yang

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7 Citations (Scopus)


Spondylolisthesis associated with neurofibromatosis is rare, and only 12 cases have been reported so far. However, only one report of grade 4 spondylolisthesis with neurofibromatosis has been reported in the literature. A 15-year-old boy with neurofibromatosis was admitted for back pain and neurological claudication. Radiograph showed grade 4 spondylolisthesis of the L5 vertebra with scalloping of the L4-L5 vertebrae. L4-L5 laminectomy, reduction, L3-S1 posterior instrumentation and fusion were performed. The reduction of the spondylisthesis was done entirely from the posterior approach using pedicle screws. Radiography at four months showed a broken S1 screw with a loss of reduction. The patient was re-operated on, to provide additional stability with pelvic fixation. He was pain-free with a good fusion at the two-year follow-up. Adequate posterior stabilisation with fusion gives good results in grade 4 spondylolisthesis associated with neurofibromatosis and dural ectasia.

Original languageEnglish
Pages (from-to)e287-e292
JournalSingapore Medical Journal
Issue number8
Publication statusPublished - 2009 Aug 1


  • Dural ectasia
  • Grade 4 spondylolisthesis
  • Neurofibromatosis
  • Spondylolisthesis
  • Vertebral scalloping

ASJC Scopus subject areas

  • Medicine(all)


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