Anterior fontanelle persists

Closure of the anterior fontanelle and sagittal and metopic sutures is delayed as part of the skeletal dysplasia in cleidocranial dysostosis.

Last modified
20 January 2020
HP:0004474 Persistent open anterior fontanelle

The anterior fontanelle closes usually between the age of 7- 20 months depending on the population studied.

Delayed closure can be a feature of cleidocranial...

Rare Condition

Cleidocranial Dysplasia or Dysostosis

The most common features of  cleidocranial dysplasia/ dysostosis are among others:

  • patency of the anterior fontanelle,
  • an inverted pear-shaped skull,
  • hypertelorism (wide-spaced eyes),
  • general backward placement...