Disease or Syndrome
cleidocranial dysplasia
Subclass of:
Craniofacial Abnormalities;
Osteochondrodysplasias
Definitions related to cleidocranial dysplasia:
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A rare autosomal dominant disorder caused by mutations in the RUNX2 gene. It is characterized by developmental abnormalities in the bones and teeth, including the complete or partial absence of the clavicles, delayed closure of the fontanels, protruding mandible, hypertelorism, scoliosis, and short stature.NCI ThesaurusU.S. National Cancer Institute, 2021
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Autosomal dominant syndrome in which there is delayed closing of the CRANIAL FONTANELLES; complete or partial absence of the collarbones (CLAVICLES); wide PUBIC SYMPHYSIS; short middle phalanges of the fifth fingers; and dental and vertebral anomalies.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Cleidocranial dysplasia (CCD) spectrum disorder is a skeletal dysplasia that represents a clinical continuum ranging from classic CCD (triad of delayed closure of the cranial sutures, hypoplastic or aplastic clavicles, and dental abnormalities) to mild CCD to isolated dental anomalies without the skeletal features. Most individuals come to diagnosis because they have classic features. At birth, affected individuals typically have abnormally large, wide-open fontanelles that may remain open throughout life. Clavicular hypoplasia can result in narrow, sloping shoulders that can be opposed at the midline. Moderate short stature may be observed, with most affected individuals being shorter than their unaffected sibs. Dental anomalies may include supernumerary teeth, eruption failure of the permanent teeth, and presence of the second permanent molar with the primary dentition. Individuals with CCD spectrum disorder are at increased risk of developing recurrent sinus infections, recurrent ear infections leading to conductive hearing loss, and upper-airway obstruction. Intelligence is typically normal.GeneReviewsUniversity of Washington, 2021
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(cleidocranial dysostosis) A rare autosomal dominant condition caused by mutation(s) in the RUNX2 gene, encoding runt-related transcription factor 2. This condition is characterized by developmental abnormalities in the bones and teeth, including the complete or partial absence of the clavicles, delayed closure of the fontanels, protruding mandible, hypertelorism, scoliosis, and short stature.NICHD Pediatric TerminologyU.S. National Cancer Institute, 2021
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Cleidocranial dysplasia (CCD) affects the development of the bones, skull, and teeth. Signs and symptoms include underdeveloped or absent collarbones (clavicles), dental abnormalities, and delayed closing of the spaces between the skull bones (fontanels). Other symptoms may include decreased bone density (osteopenia), hearing loss, bone...National Center for Advancing Translational Sciences
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Cleidocranial dysostosis, rare congenital, hereditary disorder characterized by collarbones that are absent or reduced in size, skull abnormalities, and abnormal dentition. The shoulders may sometimes touch in front of the chest, and certain facial bones are underdeveloped or missing. Cranial...Encyclopedia Britannica, Inc., 2020
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