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
HPO
HP:0004474 Persistent open anterior fontanelle
Feature

Anterior fontanelle closure

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...