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Related Experiment Videos

Chronic tonsillar herniation and Crouzon's syndrome.

P M Francis1, S Beals, H L Rekate

  • 1Division of Neurological Surgery, Barrow Neurological Institute, Phoenix, Ariz 85013.

Pediatric Neurosurgery
|January 1, 1992
PubMed
Summary

Craniofacial syndrome patients may develop hydrocephalus post-surgery. Shunted patients showed chronic tonsillar herniation, linked to jugular foramen stenosis and venous pressure, suggesting a persistent issue after treatment.

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Area of Science:

  • Neurosurgery
  • Pediatric Plastic Surgery
  • Neurology

Background:

  • Craniofacial syndromes like Crouzon's syndrome often necessitate surgical intervention.
  • Post-operative hydrocephalus is a known complication in patients with craniofacial syndromes.

Observation:

  • Ten patients with Crouzon's syndrome were analyzed.
  • Five patients required shunting for hydrocephalus after cranial remodeling.
  • Chronic tonsillar herniation was observed in all 5 shunted patients via MRI.

Findings:

  • No shunted patients were free from chronic tonsillar herniation.
  • Patients who did not require shunting did not exhibit tonsillar herniation.
  • Jugular foramen stenosis appears to cause increased cerebral venous pressure, leading to CSF absorption defects and hydrocephalus.

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Implications:

  • The persistent increased venous pressure post-hydrocephalus treatment may drive chronic tonsillar herniation.
  • This finding highlights a potential long-term complication following surgical management of craniofacial syndromes.
  • Further research into managing jugular foramen stenosis and its impact on venous pressure is warranted.