Cleidocranial dysostosis

Case contributed by Ian Bickle
Diagnosis almost certain


CXR performed for medical fitness to work. No medical history pro-offered.

Patient Data

Age: 30 years
Gender: Female

Dysplastic clavicles, with the lateral third absent bilaterally.

The remainder of the thoracic cage is normal.

Case Discussion

Cleidocranial dysostosis (CCD) is a rare skeletal dysplasia with predominantly membranous bone involvement. It carries an autosomal dominant inheritance.

A key feature on chest radiograph is the partial or total absence of the clavicles.

Supranumery ribs and vertebral anomalies may also be identified on the chest radiograph.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.