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Related Experiment Videos

Cranial base morphology in untreated hydrocephalics.

T Kantomaa1, J Huggare, O Rönning

  • 1Department of Oral Development and Orthodontics, University of Oulu, Finland.

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|January 1, 1987
PubMed
Summary

Increased intracranial pressure in hydrocephalus affects cranial base angle and sella shape. Shunt treatment further modifies these changes, impacting the pituitary fossa

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Dental maturation in children with shunt-treated hydrocephalus.

The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association·2004

Area of Science:

  • Neurosurgery
  • Radiology
  • Pediatric Neurology

Background:

  • Hydrocephalus is a condition characterized by increased intracranial pressure.
  • Understanding the effects of hydrocephalus on cranial base morphology is crucial for diagnosis and treatment.
  • Differentiating between changes caused by hydrocephalus itself and those resulting from shunt treatment is important.

Purpose of the Study:

  • To investigate the effects of increased intracranial pressure in untreated adult hydrocephalic patients on cranial base morphology.
  • To differentiate radiologic findings in untreated hydrocephalus from those observed after shunt treatment.
  • To explain the events related to increased intracranial pressure in hydrocephalus.

Main Methods:

  • Cephalostat radiographs were obtained from five untreated adult hydrocephalic patients.

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  • Measurements of cranial base dimensions and angles were analyzed.
  • Comparison with normal subjects and shunt-treated patients was implied.

    • Main Results:

    • The hypophyseal fossa was well formed, not shallow, with a rounded dorsum sella.
    • Increased distance from nasion to sella and decreased distance from basion to sella were observed.
    • The cranial base angle was more obtuse in hydrocephalic patients compared to normal or shunt-treated individuals.

    Conclusions:

    • The hydrocephalic condition and shunt treatment contribute to a shallow, J-shaped sella.
    • These treatments cause shortening of the anterior cranial base.
    • The pituitary fossa is displaced upwards and posteriorly away from the sphenoid bone.