Interparietal bone (Os Incae) in craniosynostosis

June K. Wu, James T. Goodrich, Chiemezie C. Amadi, Todd Miller, John B. Mulliken, Alan L. Shanske

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


The interparietal bone, Os Incae, is formed in a persistent mendosal suture. This suture is a normal variant in the human skull, well-known in anatomy and radiology textbooks. We report 11 children with craniosynostosis in the presence of an interparietal bone, five from Children's Hospital at Montefiore and six children from Children's Hospital Boston. The true incidence of an interparietal bone in patients with craniosynostosis or craniofacial anomalies is not known; nor are there recognized sequelae of an interparietal bone (bathrocephaly). Hypotheses regarding mechanisms that may contribute to the formation of an interparietal bone are discussed.

Original languageEnglish (US)
Pages (from-to)287-294
Number of pages8
JournalAmerican Journal of Medical Genetics, Part A
Issue number2
StatePublished - Feb 2011


  • Craniosynostosis
  • Interparietal bone
  • Mendosal suture
  • Os Incae
  • Scaphocephaly

ASJC Scopus subject areas

  • Genetics
  • Genetics(clinical)


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