Saethre-Chotzen syndrome (MONDO_0007042, a Monarch Disease Ontology id) (SCS) is an inherited craniosynostosis syndrome characterized by unilateral or bilateral coronal synostosis, facial asymmetry, ptosis, strabismus and small ears with prominent crus, among other less common manifestations. Also known as: ACS3, SCS, Saethre Chotzen Syndrome, Saethre-Chotzen syndrome with or without eyelid anomalies, acrocephalosyndactyly type 3, type III Acrocephalosyndactyly.