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Lessons from a case of osteopetrosis oxycephaly and Chiari type I malformation: a case report
Aimun Ab Jamjoom1, Bakur A Jamjoom, Abrar R Waliuddin
1University of Nottingham, Faculty of Medicine and Health Sciences, Medical School, Queen's Medical Centre, Nottingham NG7 2UH, UK. mzyyaaj@nottingham.ac.uk
Insights
This case study details a child with osteopetrosis and Chiari type I malformation experiencing cardiac arrest during surgery. It highlights a new association between osteopetrosis, craniosynostosis, and fontanelle issues, stressing careful surgical planning.
Area of Science:
- Pediatric Neurosurgery
- Clinical Genetics
- Medical Case Reports
Background:
- Osteopetrosis is a rare genetic disorder affecting bone resorption.
- Chiari type I malformation involves cerebellar tonsil herniation.
- Craniosynostosis is the premature fusion of cranial sutures.
Observation:
- A child with osteopetrosis, oxycephaly, and Chiari type I malformation presented with increased intracranial pressure.
- The patient experienced sudden cardiac arrest during cranial expansion surgery, likely due to the Chiari malformation.
- A persistently open fontanelle at age 4 was noted in conjunction with craniosynostosis.
Findings:
- A previously unrecognized association between osteopetrosis, craniosynostosis, and a persistently open fontanelle was observed.
- The cardiac arrest during surgery underscores potential risks associated with Chiari malformation in complex pediatric cases.
Implications:
- This case emphasizes the critical need for thorough preoperative evaluation in children with complex craniosynostosis and Chiari malformation.
- Careful selection of surgical approach and technique is vital for managing these complex pediatric neurosurgical conditions.
- Highlights a potential link between specific genetic bone disorders and neurological complications requiring specialized care.
Abstract:
We report a child with osteopetrosis, oxycephaly and Chiari type I malformation who presented with raised intracranial pressure. During cranial expansion surgery the patient developed sudden cardiac arrest which we believe was probably related to the Chiari malformation. The case highlights a previously unrecognized association between osteopetrosis, craniosynostosis and a persistently open fontanelle at age 4 years. In addition it supports the existing literature in emphasizing the need for careful preoperative work up, choice of approach and operative technique in children with complex craniosynostosis and Chiari malformation.