Pseudoclosure of anterior fontanelle by wormian bone in isolated sagittal craniosynostosis

Pediatric Neurosurgery
Deepak AgrawalD Douglas Cochrane

Abstract

Although syndromic craniosynostosis is one of the causes for early closure of the anterior fontanelle, there is no literature on the incidence and causes of fontanelle closure in isolated single-suture craniosynostosis. The objective of this study was to review the incidence of fontanelle closure by a wormian bone in isolated, nonsyndromic sagittal craniosynostosis. Intraoperative records of 100 consecutive children under 1 year of age, operated for isolated sagittal synostosis over a 14-year period (1987- 2000), were reviewed to identify the presence of a wormian bone closing the anterior fontanelle. The median age at surgery was 4.2 months with a range of 1.9-11.7 months. Intraoperatively, a wormian bone was seen replacing the anterior fontanelle in 4 cases giving an incidence of 4%. A wormian bone can occupy the anterior fontanelle in children with isolated sagittal craniosynostosis giving the appearance of a 'closed fontanelle'.

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Citations

Apr 3, 2010·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Ana GraciaMiguel-Angel Pérez-Espejo
Aug 21, 2013·Clinical Anatomy : Official Journal of the American Association of Clinical Anatomists & the British Association of Clinical Anatomists·Sharath S BellaryMarios Loukas
Jun 13, 2014·Clinical Pediatrics·Jonathan PindrikEdward S Ahn
Jun 27, 2015·The Journal of Craniofacial Surgery·Sibel CirpanNuket Mas
Nov 16, 2007·American Journal of Medical Genetics. Part a·Pedro A Sanchez-LaraMichael Cunningham
May 21, 2008·Special Care in Dentistry : Official Publication of the American Association of Hospital Dentists, the Academy of Dentistry for the Handicapped, and the American Society for Geriatric Dentistry·Andréa Cristina Vilan XavierRoberval de Almeida Cruz
Jan 24, 2009·The Journal of Craniofacial Surgery·Raja Kummoona
Mar 11, 2010·The Journal of Craniofacial Surgery·Roger H Woods, David Johnson
Nov 21, 2012·The Journal of Craniofacial Surgery·Mitchell A StotlandThersia J Knapik
Jun 1, 2021·The Journal of Craniofacial Surgery·Sarut Chaisrisawadisuk, Mark H Moore
Sep 20, 2021·American Journal of Obstetrics and Gynecology·Tal WeissbachEran Kassif

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