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Virtual Pediatric Hospital: Paediapaedia: Normal Skull Anatomy Paediapaedia: Neurological Diseases

Normal Skull Anatomy

Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed

Clinical Presentation:
Not applicable

The major sutures are the coronal, sagittal, lambdoid, squamosal, metopic and mendosal sutures. Sutures in the postnatal period appear wide because membranous ossification is incomplete at the sutural margins. Suture widening is seen in the preterm infant, hypophosphatasia, rickets, hypothyroidism, and skeletal dysplasias. The anterior fontanelle closes at 12-18 months of age while the posterior fontanelle closes either 2 months prenatally or 2 months postnatally. The coronal, lambdoid and sagittal sutures persist throughout childhood and generally do not begin to close until 30 years of age.

Not applicable

Imaging Findings:
Not applicable


See References Chapter.

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