The infant Apert skull.
During early infancy, the Apert skull is literally wide open. It is characterized by a gaping midline calvarial defect that extends almost from the root of the nose through the metopic suture area, anterior fontanelle, and sagittal suture area to a widely patent posterior fontanelle. Only the coronal suture area is prematurely fused. During the first 2 to 4 years of life, bony islands that have formed in the midline enlarge and coalesce, obliterating the midline calvarial defect without any evidence of suture formation.
Kreiborg
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Department of Pediatric Dentistry, Royal Dental College, Copenhagen, Denmark.
Cohen
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D000168:Acrocephalosyndactylia / Q000000981:diagnostic imaging*; D002675:Child, Preschool; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012886:Skull / Q000000981:diagnostic imaging / Q000254:growth & development*; D014057:Tomography, X-Ray Computed