Mondo Description Crouzon syndrome with acanthosis nigricans (CAN) is a very rare, clinically heterogeneous form of faciocraniostenosis with Crouzon-like features and premature synostosis of cranial sutures (Crouzon disease), associated with acanthosis nigricans (AN).
Uniprot Description Classic Crouzon disease which is caused by mutations in the FGFR2 gene is characterized by craniosynostosis (premature fusion of the skull sutures), and facial hypoplasia. Crouzon syndrome with acanthosis nigricans (a skin disorder characterized by pigmentation anomalies), CAN, is considered to be an independent disorder from classic Crouzon syndrome. CAN is characterized by additional more severe physical manifestation, such as Chiari malformation, hydrocephalus, and atresia or stenosis of the choanas, and is caused by a specific mutation (Ala-391 to Glu) in the transmembrane domain of FGFR3. It is proposed to have an autosomal dominant mode of inheritance.
Disease Ontology Description An autosomal dominant disease characterized by Crouzon-like features, premature synostosis of cranial sutures, and acanthosis nigricans that has_material_basis_in heterozygous missense mutation in the FGFR3 gene on chromosome 4p16.
Mondo Term and Equivalent IDs
MONDO:0012833: Crouzon syndrome-acanthosis nigricans syndrome