12 years old boy from foster care referred by GP with persistent cough. On examination forehead deformity (central concavity) and poor dentition was noted. No past medical or surgical history.
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Bilateral absence of clavicles.
Normal cardiomediastinal contour. Lungs are clear.
1 case question available
Cleidocranial dystostosis a.k.a. cleidocranial dysplasia, is an inherited disorder (autosomal dominant) that affects normal development of the clavicles, frontal bones and eruption of the permanent teeth.
Other bones may be also affected such as scapulae, iliac bones, and pubic bones.
Imaging is important to establish the diagnosis.