Definition of Dysplasia, cleidocranial
Dysplasia, cleidocranial: A genetic (inherited) disorder of bone development characterized by:
The disorder is transmitted in an autosomal dominant manner. A parent with the condition has a 50:50 chance that each of their children will have the condition. Boys and girls stand an equal chance of being affected. The gene for the condition has been found on chromosome 6 (specifically, in band p21). The gene is for the transcription factor CBFA1 (core-binding factor alpha subunit 1). Mutations of CBFA1 cause this disorder.
A possible example of this disorder has been found in the skull of a Neanderthal man. (The patient could not be interviewed as to family history).
Last Editorial Review: 7/1/2016
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