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Plexiform neurofibroma of the cauda equina. Case report.

T D Nadkarni1, H L Rekate, S W Coons

  • 1Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA.

Journal of Neurosurgery
|July 27, 1999
PubMed
Summary
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This study details the first pediatric case of a plexiform neurofibroma of the cauda equina, a rare spinal tumor. The 4-year-old patient experienced pain and underwent radiotherapy for the tumor.

Area of Science:

  • Pediatric Neurosurgery
  • Oncology
  • Spinal Cord Tumors

Background:

  • Plexiform neurofibromas are rare tumors.
  • Cauda equina involvement is exceptionally uncommon, with only two prior reports.
  • This case represents the first pediatric instance of this condition.

Observation:

  • A 4-year-old boy presented with low-back pain radiating to L-4 and L-5 dermatomes.
  • A concurrent midthoracic dermal sinus with a hemangiomatous lesion was noted.
  • MRI revealed a lumbosacral mass engulfing the cauda equina roots.

Findings:

  • The plexiform neurofibroma of the cauda equina was surgically inseparable from nerve roots.
  • Radiotherapy was administered to manage tumor progression and pain.
  • No association with neurofibromatosis Type 1 was observed.

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Implications:

  • Highlights the rarity and potential severity of pediatric cauda equina plexiform neurofibromas.
  • Emphasizes the importance of comprehensive imaging in pediatric spinal conditions.
  • Suggests radiotherapy as a palliative and control measure for unresectable tumors.