Cleidocranial dysostosis

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• Incomplete or absent collar bone
• Ability to touch shoulders together in front of body
• Loose joints
• Delayed closure of fontanelles
• Tooth problems
  • Primary teeth do not fall out at the expected time
  • Adult teeth are slow to develop
  • Extra teeth (supernumerary teeth)
  • Peg teeth
  • Teeth may be missing
• Low nasal bridge
• Occipital, parietal, and frontal bossing
• Short forearms
• Short fingers

There is often a family history of cleidocranial dysostosis. X-rays are usually taken. They may show:

• Undergrowth of the clavicle (collarbone)
• Undergrowth of the scapula (shoulder blade)
• Failure of the pubic symphysis (the place in the front of the pelvis) to close

Review Date: 10/16/2006
Reviewed By: Thomas T. Jeneby, M.D., The Plastic and Cosmetic Center of South Texas, San Antonio, TX. Review provided by VeriMed Healthcare Network.