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Related Experiment Videos

Congenital lumbosacral lipomas

A Pierre-Kahn1, M Zerah, D Renier

  • 1Department of Pediatric Neurosurgery, Groupe Hospitalier Necker-Enfants Malades, Paris, France.

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|June 1, 1997
PubMed
Summary

Prophylactic surgery for congenital lumbosacral lipomas is debated. While surgery can improve deficits, especially for lipomas of the filum, long-term outcomes for lipomas of the conus in asymptomatic patients are less favorable.

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Area of Science:

  • Neurosurgery
  • Pediatric Neurosurgery
  • Spinal Cord Malformations

Background:

  • Congenital lumbosacral lipomas can cause progressive neurological deficits.
  • The prevailing belief supports prophylactic surgery to prevent deterioration.
  • This study reviews 22 years of experience with 291 lipoma cases.

Purpose of the Study:

  • To reassess the value of prophylactic surgery for congenital lumbosacral lipomas.
  • Evaluate risks of pathology and surgery.
  • Analyze outcomes in both symptomatic and asymptomatic patients.

Main Methods:

  • Retrospective review of 291 lumbosacral lipoma cases (1972-1994).
  • Separate analysis of lipomas of the filum and conus.
  • Detailed assessment of preoperative deficits and postoperative outcomes, including long-term follow-up (>5 years).

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Main Results:

  • Surgery for lipomas of the filum was safe with good outcomes.
  • Surgery for lipomas of the conus carried higher risks (20% local complications) but improved deficits in 50% of cases.
  • Long-term symptom-free rates in asymptomatic conus lipoma patients were only 53.1% after 5 years.

Conclusions:

  • Surgical outcomes for congenital lumbosacral lipomas vary significantly based on anatomical type.
  • Prophylactic surgery may be beneficial for lipomas of the filum.
  • The long-term benefit of prophylactic surgery for lipomas of the conus in asymptomatic patients requires careful consideration due to less favorable outcomes.