SNOMED CT, US Edition

Last uploaded: March 22, 2026
Id http://purl.bioontology.org/ontology/SNOMEDCT/28861008
http://purl.bioontology.org/ontology/SNOMEDCT/28861008
Preferred Name

Crouzon syndrome

Definitions
Crouzon disease is characterised by craniosynostosis and facial hypoplasia. Crouzon disease is characterized by craniosynostosis and facial hypoplasia. Disease with characteristics of craniosynostosis and facial hypoplasia. Craniosynostosis is variable but many sutures are usually involved. Facial anomalies include ocular hypertelorism, small beaked nose, proptosis, exophthalmos, hypoplastic maxilla and mandibular prognathism. Caused by mutations of the fibroblast growth factor receptor FGFR2 (10q25.3-q26) with 80% being located to the immunoglobulin (Ig)-like domain III (IgIII domain) of the extracellular region and an additional 20% of mutations being located in the IgI-IgII domains, transmembrane and tyrosine kinase regions. The disease is transmitted in an autosomal dominant manner with variable penetrance.
Synonyms
Crouzon craniofacial dysostosis
Crouzon's disease
Crouzon syndrome (disorder)
Type http://www.w3.org/2002/07/owl#Class
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