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Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model
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Craniosynostosis: A rare complication of pycnodysostosis

Sara Osimani1, Isabelle Husson, Sandrine Passemard

  • 1Department of Genetics, AP-HP Robert DEBRE University Hospital, Paris, France.

European Journal of Medical Genetics
|January 2, 2010
PubMed

Insights

Pycnodysostosis, a rare genetic disorder, can cause dangerous intracranial hypertension due to craniosynostosis, contrary to its typical presentation. Early monitoring of eye fundus and head circumference is crucial for affected children.

Area of Science:

  • Medical Genetics
  • Pediatrics
  • Neurology

Background:

  • Rare genetic disorders often present with poorly documented, uncommon features.
  • Pycnodysostosis is characterized by skeletal abnormalities and typically delayed suture closure.

Observation:

  • A 7-year-old boy with pycnodysostosis (CSTK gene mutation) developed intracranial hypertension.
  • Diagnosis revealed coronal and metopic craniosynostoses, despite patent fontanels.

Findings:

  • This case highlights a rare presentation of pycnodysostosis with craniosynostosis leading to intracranial hypertension.
  • Intracranial hypertension and craniosynostosis are exceptionally rare in pycnodysostosis, contrasting with typical delayed fontanel closure.

Implications:

  • Intracranial hypertension is a rare but life-threatening complication of pycnodysostosis.
  • Systematic fundus oculi examination and occipitofrontal circumference monitoring are recommended for pycnodysostosis patients.

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